31758158

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20081842

約数列:

[1, 2, 19, 38, 71, 79, 142, 149, 158, 298, 1349, 1501, 2698, 2831, 3002, 5609, 5662, 10579, 11218, 11771, 21158, 23542, 106571, 201001, 213142, 223649, 402002, 447298, 835741, 1671482, 15879079, 31758158]

約数ペア:

[(1, 31758158), (2, 15879079), (19, 1671482), (38, 835741), (71, 447298), (79, 402002), (142, 223649), (149, 213142), (158, 201001), (298, 106571), (1349, 23542), (1501, 21158), (2698, 11771), (2831, 11218), (3002, 10579), (5609, 5662)]