12278812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 27706560

約数和(自身を除く): 15427748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 79, 91, 98, 122, 158, 182, 196, 244, 316, 364, 427, 553, 637, 793, 854, 1027, 1106, 1274, 1586, 1708, 2054, 2212, 2548, 2989, 3172, 3871, 4108, 4819, 5551, 5978, 7189, 7742, 9638, 11102, 11956, 14378, 15484, 19276, 22204, 28756, 33733, 38857, 50323, 62647, 67466, 77714, 100646, 125294, 134932, 155428, 201292, 236131, 250588, 438529, 472262, 877058, 944524, 1754116, 3069703, 6139406, 12278812]

約数ペア:

[(1, 12278812), (2, 6139406), (4, 3069703), (7, 1754116), (13, 944524), (14, 877058), (26, 472262), (28, 438529), (49, 250588), (52, 236131), (61, 201292), (79, 155428), (91, 134932), (98, 125294), (122, 100646), (158, 77714), (182, 67466), (196, 62647), (244, 50323), (316, 38857), (364, 33733), (427, 28756), (553, 22204), (637, 19276), (793, 15484), (854, 14378), (1027, 11956), (1106, 11102), (1274, 9638), (1586, 7742), (1708, 7189), (2054, 5978), (2212, 5551), (2548, 4819), (2989, 4108), (3172, 3871)]