393980493472

素因数分解:

$2^5\times {\mathrm{379}}^1\times {\mathrm{1997}}^1\times {\mathrm{16267}}^1$

素因数の和:18653

約数の個数: 48

約数和(自身を含む): 778132928160

約数和(自身を除く): 384152434688

約数列:

[1, 2, 4, 8, 16, 32, 379, 758, 1516, 1997, 3032, 3994, 6064, 7988, 12128, 15976, 16267, 31952, 32534, 63904, 65068, 130136, 260272, 520544, 756863, 1513726, 3027452, 6054904, 6165193, 12109808, 12330386, 24219616, 24660772, 32485199, 49321544, 64970398, 98643088, 129940796, 197286176, 259881592, 519763184, 1039526368, 12311890421, 24623780842, 49247561684, 98495123368, 196990246736, 393980493472]

約数ペア:

[(1, 393980493472), (2, 196990246736), (4, 98495123368), (8, 49247561684), (16, 24623780842), (32, 12311890421), (379, 1039526368), (758, 519763184), (1516, 259881592), (1997, 197286176), (3032, 129940796), (3994, 98643088), (6064, 64970398), (7988, 49321544), (12128, 32485199), (15976, 24660772), (16267, 24219616), (31952, 12330386), (32534, 12109808), (63904, 6165193), (65068, 6054904), (130136, 3027452), (260272, 1513726), (520544, 756863)]