22990552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 48898080

約数和(自身を除く): 25907528

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 53, 86, 97, 104, 106, 172, 194, 212, 344, 388, 424, 559, 689, 776, 1118, 1261, 1378, 2236, 2279, 2522, 2756, 4171, 4472, 4558, 5044, 5141, 5512, 8342, 9116, 10088, 10282, 16684, 18232, 20564, 29627, 33368, 41128, 54223, 59254, 66833, 108446, 118508, 133666, 216892, 221063, 237016, 267332, 433784, 442126, 534664, 884252, 1768504, 2873819, 5747638, 11495276, 22990552]

約数ペア:

[(1, 22990552), (2, 11495276), (4, 5747638), (8, 2873819), (13, 1768504), (26, 884252), (43, 534664), (52, 442126), (53, 433784), (86, 267332), (97, 237016), (104, 221063), (106, 216892), (172, 133666), (194, 118508), (212, 108446), (344, 66833), (388, 59254), (424, 54223), (559, 41128), (689, 33368), (776, 29627), (1118, 20564), (1261, 18232), (1378, 16684), (2236, 10282), (2279, 10088), (2522, 9116), (2756, 8342), (4171, 5512), (4472, 5141), (4558, 5044)]