25691248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2473

約数の個数: 40

約数和(自身を含む): 55215216

約数和(自身を除く): 29523968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2393, 2684, 4786, 5368, 9572, 10736, 19144, 26323, 38288, 52646, 105292, 145973, 210584, 291946, 421168, 583892, 1167784, 1605703, 2335568, 3211406, 6422812, 12845624, 25691248]

約数ペア:

[(1, 25691248), (2, 12845624), (4, 6422812), (8, 3211406), (11, 2335568), (16, 1605703), (22, 1167784), (44, 583892), (61, 421168), (88, 291946), (122, 210584), (176, 145973), (244, 105292), (488, 52646), (671, 38288), (976, 26323), (1342, 19144), (2393, 10736), (2684, 9572), (4786, 5368)]