31139562

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 38533398

約数列:

[1, 2, 3, 6, 23, 29, 31, 46, 58, 62, 69, 87, 93, 138, 174, 186, 251, 502, 667, 713, 753, 899, 1334, 1426, 1506, 1798, 2001, 2139, 2697, 4002, 4278, 5394, 5773, 7279, 7781, 11546, 14558, 15562, 17319, 20677, 21837, 23343, 34638, 41354, 43674, 46686, 62031, 124062, 167417, 178963, 225649, 334834, 357926, 451298, 502251, 536889, 676947, 1004502, 1073778, 1353894, 5189927, 10379854, 15569781, 31139562]

約数ペア:

[(1, 31139562), (2, 15569781), (3, 10379854), (6, 5189927), (23, 1353894), (29, 1073778), (31, 1004502), (46, 676947), (58, 536889), (62, 502251), (69, 451298), (87, 357926), (93, 334834), (138, 225649), (174, 178963), (186, 167417), (251, 124062), (502, 62031), (667, 46686), (713, 43674), (753, 41354), (899, 34638), (1334, 23343), (1426, 21837), (1506, 20677), (1798, 17319), (2001, 15562), (2139, 14558), (2697, 11546), (4002, 7781), (4278, 7279), (5394, 5773)]