78711038

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 137592000

約数和(自身を除く): 58880962

約数列:

[1, 2, 7, 14, 97, 149, 194, 298, 389, 679, 778, 1043, 1358, 2086, 2723, 5446, 14453, 28906, 37733, 57961, 75466, 101171, 115922, 202342, 264131, 405727, 528262, 811454, 5622217, 11244434, 39355519, 78711038]

約数ペア:

[(1, 78711038), (2, 39355519), (7, 11244434), (14, 5622217), (97, 811454), (149, 528262), (194, 405727), (298, 264131), (389, 202342), (679, 115922), (778, 101171), (1043, 75466), (1358, 57961), (2086, 37733), (2723, 28906), (5446, 14453)]