31220404

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 55774656

約数和(自身を除く): 24554252

約数列:

[1, 2, 4, 71, 142, 211, 284, 422, 521, 844, 1042, 2084, 14981, 29962, 36991, 59924, 73982, 109931, 147964, 219862, 439724, 7805101, 15610202, 31220404]

約数ペア:

[(1, 31220404), (2, 15610202), (4, 7805101), (71, 439724), (142, 219862), (211, 147964), (284, 109931), (422, 73982), (521, 59924), (844, 36991), (1042, 29962), (2084, 14981)]