28742428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 59764320

約数和(自身を除く): 31021892

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 436, 461, 572, 922, 1199, 1417, 1844, 2398, 2834, 4796, 5071, 5668, 5993, 10142, 11986, 15587, 20284, 23972, 31174, 50249, 62348, 65923, 100498, 131846, 200996, 263692, 552739, 653237, 1105478, 1306474, 2210956, 2612948, 7185607, 14371214, 28742428]

約数ペア:

[(1, 28742428), (2, 14371214), (4, 7185607), (11, 2612948), (13, 2210956), (22, 1306474), (26, 1105478), (44, 653237), (52, 552739), (109, 263692), (143, 200996), (218, 131846), (286, 100498), (436, 65923), (461, 62348), (572, 50249), (922, 31174), (1199, 23972), (1417, 20284), (1844, 15587), (2398, 11986), (2834, 10142), (4796, 5993), (5071, 5668)]