627915764

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1229}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 1279514880

約数和(自身を除く): 651599116

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 257, 284, 497, 514, 994, 1028, 1229, 1799, 1988, 2458, 3598, 4916, 7196, 8603, 17206, 18247, 34412, 36494, 72988, 87259, 127729, 174518, 255458, 315853, 349036, 510916, 610813, 631706, 1221626, 1263412, 2210971, 2443252, 4421942, 8843884, 22425563, 44851126, 89702252, 156978941, 313957882, 627915764]

約数ペア:

[(1, 627915764), (2, 313957882), (4, 156978941), (7, 89702252), (14, 44851126), (28, 22425563), (71, 8843884), (142, 4421942), (257, 2443252), (284, 2210971), (497, 1263412), (514, 1221626), (994, 631706), (1028, 610813), (1229, 510916), (1799, 349036), (1988, 315853), (2458, 255458), (3598, 174518), (4916, 127729), (7196, 87259), (8603, 72988), (17206, 36494), (18247, 34412)]