31420072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 62287200

約数和(自身を除く): 30867128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 421, 491, 842, 982, 1684, 1964, 3368, 3928, 7999, 9329, 15998, 18658, 31996, 37316, 63992, 74632, 206711, 413422, 826844, 1653688, 3927509, 7855018, 15710036, 31420072]

約数ペア:

[(1, 31420072), (2, 15710036), (4, 7855018), (8, 3927509), (19, 1653688), (38, 826844), (76, 413422), (152, 206711), (421, 74632), (491, 63992), (842, 37316), (982, 31996), (1684, 18658), (1964, 15998), (3368, 9329), (3928, 7999)]