9991254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 25482240

約数和(自身を除く): 15490986

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 631, 754, 1131, 1218, 1262, 1893, 2262, 2639, 3786, 4417, 5278, 7917, 8203, 8834, 13251, 15834, 16406, 18299, 24609, 26502, 36598, 49218, 54897, 57421, 109794, 114842, 128093, 172263, 237887, 256186, 344526, 384279, 475774, 713661, 768558, 1427322, 1665209, 3330418, 4995627, 9991254]

約数ペア:

[(1, 9991254), (2, 4995627), (3, 3330418), (6, 1665209), (7, 1427322), (13, 768558), (14, 713661), (21, 475774), (26, 384279), (29, 344526), (39, 256186), (42, 237887), (58, 172263), (78, 128093), (87, 114842), (91, 109794), (174, 57421), (182, 54897), (203, 49218), (273, 36598), (377, 26502), (406, 24609), (546, 18299), (609, 16406), (631, 15834), (754, 13251), (1131, 8834), (1218, 8203), (1262, 7917), (1893, 5278), (2262, 4417), (2639, 3786)]