391609856

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2303

約数の個数: 80

約数和(自身を含む): 881515008

約数和(自身を除く): 489905152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 512, 682, 704, 992, 1364, 1408, 1984, 2243, 2728, 2816, 3968, 4486, 5456, 5632, 7936, 8972, 10912, 15872, 17944, 21824, 24673, 35888, 43648, 49346, 69533, 71776, 87296, 98692, 139066, 143552, 174592, 197384, 278132, 287104, 394768, 556264, 574208, 764863, 789536, 1112528, 1148416, 1529726, 1579072, 2225056, 3059452, 3158144, 4450112, 6118904, 6316288, 8900224, 12237808, 12632576, 17800448, 24475616, 35600896, 48951232, 97902464, 195804928, 391609856]

約数ペア:

[(1, 391609856), (2, 195804928), (4, 97902464), (8, 48951232), (11, 35600896), (16, 24475616), (22, 17800448), (31, 12632576), (32, 12237808), (44, 8900224), (62, 6316288), (64, 6118904), (88, 4450112), (124, 3158144), (128, 3059452), (176, 2225056), (248, 1579072), (256, 1529726), (341, 1148416), (352, 1112528), (496, 789536), (512, 764863), (682, 574208), (704, 556264), (992, 394768), (1364, 287104), (1408, 278132), (1984, 197384), (2243, 174592), (2728, 143552), (2816, 139066), (3968, 98692), (4486, 87296), (5456, 71776), (5632, 69533), (7936, 49346), (8972, 43648), (10912, 35888), (15872, 24673), (17944, 21824)]