72157021132

素因数分解:

$2^2\times 7^3\times {\mathrm{3463}}^1\times {\mathrm{15187}}^1$

素因数の和:18675

約数の個数: 48

約数和(自身を含む): 147311449600

約数和(自身を除く): 75154428468

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 3463, 6926, 13852, 15187, 24241, 30374, 48482, 60748, 96964, 106309, 169687, 212618, 339374, 425236, 678748, 744163, 1187809, 1488326, 2375618, 2976652, 4751236, 5209141, 10418282, 20836564, 52592581, 105185162, 210370324, 368148067, 736296134, 1472592268, 2577036469, 5154072938, 10308145876, 18039255283, 36078510566, 72157021132]

約数ペア:

[(1, 72157021132), (2, 36078510566), (4, 18039255283), (7, 10308145876), (14, 5154072938), (28, 2577036469), (49, 1472592268), (98, 736296134), (196, 368148067), (343, 210370324), (686, 105185162), (1372, 52592581), (3463, 20836564), (6926, 10418282), (13852, 5209141), (15187, 4751236), (24241, 2976652), (30374, 2375618), (48482, 1488326), (60748, 1187809), (96964, 744163), (106309, 678748), (169687, 425236), (212618, 339374)]