128972214

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 345720960

約数和(自身を除く): 216748746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 53, 62, 63, 89, 93, 98, 106, 126, 147, 159, 178, 186, 217, 267, 279, 294, 318, 371, 434, 441, 477, 534, 558, 623, 651, 742, 801, 882, 954, 1113, 1246, 1302, 1519, 1602, 1643, 1869, 1953, 2226, 2597, 2759, 3038, 3286, 3339, 3738, 3906, 4361, 4557, 4717, 4929, 5194, 5518, 5607, 6678, 7791, 8277, 8722, 9114, 9434, 9858, 11214, 11501, 13083, 13671, 14151, 14787, 15582, 16554, 19313, 23002, 23373, 24831, 26166, 27342, 28302, 29574, 33019, 34503, 38626, 39249, 42453, 46746, 49662, 57939, 66038, 69006, 78498, 80507, 84906, 99057, 103509, 115878, 135191, 146227, 161014, 173817, 198114, 207018, 231133, 241521, 270382, 292454, 297171, 347634, 405573, 438681, 462266, 483042, 594342, 693399, 724563, 811146, 877362, 1023589, 1216719, 1316043, 1386798, 1449126, 2047178, 2080197, 2433438, 2632086, 3070767, 4160394, 6141534, 7165123, 9212301, 14330246, 18424602, 21495369, 42990738, 64486107, 128972214]

約数ペア:

[(1, 128972214), (2, 64486107), (3, 42990738), (6, 21495369), (7, 18424602), (9, 14330246), (14, 9212301), (18, 7165123), (21, 6141534), (31, 4160394), (42, 3070767), (49, 2632086), (53, 2433438), (62, 2080197), (63, 2047178), (89, 1449126), (93, 1386798), (98, 1316043), (106, 1216719), (126, 1023589), (147, 877362), (159, 811146), (178, 724563), (186, 693399), (217, 594342), (267, 483042), (279, 462266), (294, 438681), (318, 405573), (371, 347634), (434, 297171), (441, 292454), (477, 270382), (534, 241521), (558, 231133), (623, 207018), (651, 198114), (742, 173817), (801, 161014), (882, 146227), (954, 135191), (1113, 115878), (1246, 103509), (1302, 99057), (1519, 84906), (1602, 80507), (1643, 78498), (1869, 69006), (1953, 66038), (2226, 57939), (2597, 49662), (2759, 46746), (3038, 42453), (3286, 39249), (3339, 38626), (3738, 34503), (3906, 33019), (4361, 29574), (4557, 28302), (4717, 27342), (4929, 26166), (5194, 24831), (5518, 23373), (5607, 23002), (6678, 19313), (7791, 16554), (8277, 15582), (8722, 14787), (9114, 14151), (9434, 13671), (9858, 13083), (11214, 11501)]