31205772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 85765680

約数和(自身を除く): 54559908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 468, 509, 524, 786, 1018, 1179, 1527, 1572, 1703, 2036, 2358, 3054, 3406, 4581, 4716, 5109, 6108, 6617, 6812, 9162, 10218, 13234, 15327, 18324, 19851, 20436, 26468, 30654, 39702, 59553, 61308, 66679, 79404, 119106, 133358, 200037, 238212, 266716, 400074, 600111, 800148, 866827, 1200222, 1733654, 2400444, 2600481, 3467308, 5200962, 7801443, 10401924, 15602886, 31205772]

約数ペア:

[(1, 31205772), (2, 15602886), (3, 10401924), (4, 7801443), (6, 5200962), (9, 3467308), (12, 2600481), (13, 2400444), (18, 1733654), (26, 1200222), (36, 866827), (39, 800148), (52, 600111), (78, 400074), (117, 266716), (131, 238212), (156, 200037), (234, 133358), (262, 119106), (393, 79404), (468, 66679), (509, 61308), (524, 59553), (786, 39702), (1018, 30654), (1179, 26468), (1527, 20436), (1572, 19851), (1703, 18324), (2036, 15327), (2358, 13234), (3054, 10218), (3406, 9162), (4581, 6812), (4716, 6617), (5109, 6108)]