280056568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{77621}}^1$

素因数の和:77679

約数の個数: 32

約数和(自身を含む): 586822320

約数和(自身を除く): 306765752

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 77621, 155242, 310484, 620968, 853831, 1707662, 3182461, 3415324, 6364922, 6830648, 12729844, 25459688, 35007071, 70014142, 140028284, 280056568]

約数ペア:

[(1, 280056568), (2, 140028284), (4, 70014142), (8, 35007071), (11, 25459688), (22, 12729844), (41, 6830648), (44, 6364922), (82, 3415324), (88, 3182461), (164, 1707662), (328, 853831), (451, 620968), (902, 310484), (1804, 155242), (3608, 77621)]