1996820028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 5891768064

約数和(自身を除く): 3894948036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 84, 126, 134, 201, 227, 252, 268, 402, 454, 469, 521, 603, 681, 804, 908, 938, 1042, 1206, 1362, 1407, 1563, 1589, 1876, 2043, 2084, 2412, 2724, 2814, 3126, 3178, 3647, 4086, 4221, 4689, 4767, 5628, 6252, 6356, 7294, 8172, 8442, 9378, 9534, 10941, 14301, 14588, 15209, 16884, 18756, 19068, 21882, 28602, 30418, 32823, 34907, 43764, 45627, 57204, 60836, 65646, 69814, 91254, 104721, 106463, 118267, 131292, 136881, 139628, 182508, 209442, 212926, 236534, 244349, 273762, 314163, 319389, 354801, 418884, 425852, 473068, 488698, 547524, 628326, 638778, 709602, 733047, 827869, 958167, 977396, 1064403, 1256652, 1277556, 1419204, 1466094, 1655738, 1916334, 2128806, 2199141, 2483607, 2932188, 3311476, 3832668, 4257612, 4398282, 4967214, 7450821, 7923889, 8796564, 9934428, 14901642, 15847778, 23771667, 29803284, 31695556, 47543334, 55467223, 71315001, 95086668, 110934446, 142630002, 166401669, 221868892, 285260004, 332803338, 499205007, 665606676, 998410014, 1996820028]

約数ペア:

[(1, 1996820028), (2, 998410014), (3, 665606676), (4, 499205007), (6, 332803338), (7, 285260004), (9, 221868892), (12, 166401669), (14, 142630002), (18, 110934446), (21, 95086668), (28, 71315001), (36, 55467223), (42, 47543334), (63, 31695556), (67, 29803284), (84, 23771667), (126, 15847778), (134, 14901642), (201, 9934428), (227, 8796564), (252, 7923889), (268, 7450821), (402, 4967214), (454, 4398282), (469, 4257612), (521, 3832668), (603, 3311476), (681, 2932188), (804, 2483607), (908, 2199141), (938, 2128806), (1042, 1916334), (1206, 1655738), (1362, 1466094), (1407, 1419204), (1563, 1277556), (1589, 1256652), (1876, 1064403), (2043, 977396), (2084, 958167), (2412, 827869), (2724, 733047), (2814, 709602), (3126, 638778), (3178, 628326), (3647, 547524), (4086, 488698), (4221, 473068), (4689, 425852), (4767, 418884), (5628, 354801), (6252, 319389), (6356, 314163), (7294, 273762), (8172, 244349), (8442, 236534), (9378, 212926), (9534, 209442), (10941, 182508), (14301, 139628), (14588, 136881), (15209, 131292), (16884, 118267), (18756, 106463), (19068, 104721), (21882, 91254), (28602, 69814), (30418, 65646), (32823, 60836), (34907, 57204), (43764, 45627)]