31280652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 86224320

約数和(自身を除く): 54943668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 751, 801, 1068, 1157, 1502, 1602, 2253, 2314, 3004, 3204, 3471, 4506, 4628, 6759, 6942, 9012, 9763, 10413, 13518, 13884, 19526, 20826, 27036, 29289, 39052, 41652, 58578, 66839, 87867, 117156, 133678, 175734, 200517, 267356, 351468, 401034, 601551, 802068, 868907, 1203102, 1737814, 2406204, 2606721, 3475628, 5213442, 7820163, 10426884, 15640326, 31280652]

約数ペア:

[(1, 31280652), (2, 15640326), (3, 10426884), (4, 7820163), (6, 5213442), (9, 3475628), (12, 2606721), (13, 2406204), (18, 1737814), (26, 1203102), (36, 868907), (39, 802068), (52, 601551), (78, 401034), (89, 351468), (117, 267356), (156, 200517), (178, 175734), (234, 133678), (267, 117156), (356, 87867), (468, 66839), (534, 58578), (751, 41652), (801, 39052), (1068, 29289), (1157, 27036), (1502, 20826), (1602, 19526), (2253, 13884), (2314, 13518), (3004, 10413), (3204, 9763), (3471, 9012), (4506, 6942), (4628, 6759)]