1987274484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 5515910400

約数和(自身を除く): 3528635916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 163, 218, 234, 239, 326, 327, 436, 468, 478, 489, 652, 654, 717, 956, 978, 981, 1308, 1417, 1434, 1467, 1956, 1962, 2119, 2151, 2834, 2868, 2934, 3107, 3924, 4238, 4251, 4302, 5668, 5868, 6214, 6357, 8476, 8502, 8604, 9321, 12428, 12714, 12753, 17004, 17767, 18642, 19071, 25428, 25506, 26051, 27963, 35534, 37284, 38142, 38957, 51012, 52102, 53301, 55926, 71068, 76284, 77914, 78153, 104204, 106602, 111852, 116871, 155828, 156306, 159903, 213204, 230971, 233742, 234459, 312612, 319806, 338663, 350613, 461942, 467484, 468918, 506441, 639612, 677326, 692913, 701226, 923884, 937836, 1012882, 1015989, 1354652, 1385826, 1402452, 1519323, 2025764, 2031978, 2078739, 2771652, 3038646, 3047967, 4063956, 4157478, 4246313, 4557969, 6077292, 6095934, 8314956, 8492626, 9115938, 12191868, 12738939, 16985252, 18231876, 25477878, 38216817, 50955756, 55202069, 76433634, 110404138, 152867268, 165606207, 220808276, 331212414, 496818621, 662424828, 993637242, 1987274484]

約数ペア:

[(1, 1987274484), (2, 993637242), (3, 662424828), (4, 496818621), (6, 331212414), (9, 220808276), (12, 165606207), (13, 152867268), (18, 110404138), (26, 76433634), (36, 55202069), (39, 50955756), (52, 38216817), (78, 25477878), (109, 18231876), (117, 16985252), (156, 12738939), (163, 12191868), (218, 9115938), (234, 8492626), (239, 8314956), (326, 6095934), (327, 6077292), (436, 4557969), (468, 4246313), (478, 4157478), (489, 4063956), (652, 3047967), (654, 3038646), (717, 2771652), (956, 2078739), (978, 2031978), (981, 2025764), (1308, 1519323), (1417, 1402452), (1434, 1385826), (1467, 1354652), (1956, 1015989), (1962, 1012882), (2119, 937836), (2151, 923884), (2834, 701226), (2868, 692913), (2934, 677326), (3107, 639612), (3924, 506441), (4238, 468918), (4251, 467484), (4302, 461942), (5668, 350613), (5868, 338663), (6214, 319806), (6357, 312612), (8476, 234459), (8502, 233742), (8604, 230971), (9321, 213204), (12428, 159903), (12714, 156306), (12753, 155828), (17004, 116871), (17767, 111852), (18642, 106602), (19071, 104204), (25428, 78153), (25506, 77914), (26051, 76284), (27963, 71068), (35534, 55926), (37284, 53301), (38142, 52102), (38957, 51012)]