28907004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 84381696

約数和(自身を除く): 55474692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 51, 62, 68, 84, 93, 102, 119, 124, 186, 204, 217, 238, 357, 372, 434, 476, 527, 651, 653, 714, 868, 1054, 1302, 1306, 1428, 1581, 1959, 2108, 2604, 2612, 3162, 3689, 3918, 4571, 6324, 7378, 7836, 9142, 11067, 11101, 13713, 14756, 18284, 20243, 22134, 22202, 27426, 33303, 40486, 44268, 44404, 54852, 60729, 66606, 77707, 80972, 121458, 133212, 141701, 155414, 233121, 242916, 283402, 310828, 344131, 425103, 466242, 566804, 688262, 850206, 932484, 1032393, 1376524, 1700412, 2064786, 2408917, 4129572, 4817834, 7226751, 9635668, 14453502, 28907004]

約数ペア:

[(1, 28907004), (2, 14453502), (3, 9635668), (4, 7226751), (6, 4817834), (7, 4129572), (12, 2408917), (14, 2064786), (17, 1700412), (21, 1376524), (28, 1032393), (31, 932484), (34, 850206), (42, 688262), (51, 566804), (62, 466242), (68, 425103), (84, 344131), (93, 310828), (102, 283402), (119, 242916), (124, 233121), (186, 155414), (204, 141701), (217, 133212), (238, 121458), (357, 80972), (372, 77707), (434, 66606), (476, 60729), (527, 54852), (651, 44404), (653, 44268), (714, 40486), (868, 33303), (1054, 27426), (1302, 22202), (1306, 22134), (1428, 20243), (1581, 18284), (1959, 14756), (2108, 13713), (2604, 11101), (2612, 11067), (3162, 9142), (3689, 7836), (3918, 7378), (4571, 6324)]