31885540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 71414784

約数和(自身を除く): 39529244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 491, 764, 955, 982, 1910, 1964, 2455, 3247, 3820, 4910, 6494, 8347, 9820, 12988, 16235, 16694, 32470, 33388, 41735, 64940, 83470, 93781, 166940, 187562, 375124, 468905, 937810, 1594277, 1875620, 3188554, 6377108, 7971385, 15942770, 31885540]

約数ペア:

[(1, 31885540), (2, 15942770), (4, 7971385), (5, 6377108), (10, 3188554), (17, 1875620), (20, 1594277), (34, 937810), (68, 468905), (85, 375124), (170, 187562), (191, 166940), (340, 93781), (382, 83470), (491, 64940), (764, 41735), (955, 33388), (982, 32470), (1910, 16694), (1964, 16235), (2455, 12988), (3247, 9820), (3820, 8347), (4910, 6494)]