31231174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 53544960

約数和(自身を除く): 22313786

約数列:

[1, 2, 13, 19, 26, 38, 191, 247, 331, 382, 494, 662, 2483, 3629, 4303, 4966, 6289, 7258, 8606, 12578, 47177, 63221, 81757, 94354, 126442, 163514, 821873, 1201199, 1643746, 2402398, 15615587, 31231174]

約数ペア:

[(1, 31231174), (2, 15615587), (13, 2402398), (19, 1643746), (26, 1201199), (38, 821873), (191, 163514), (247, 126442), (331, 94354), (382, 81757), (494, 63221), (662, 47177), (2483, 12578), (3629, 8606), (4303, 7258), (4966, 6289)]