31491876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 84446208

約数和(自身を除く): 52954332

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 67, 69, 78, 92, 131, 134, 138, 156, 201, 262, 268, 276, 299, 393, 402, 524, 598, 786, 804, 871, 897, 1196, 1541, 1572, 1703, 1742, 1794, 2613, 3013, 3082, 3406, 3484, 3588, 4623, 5109, 5226, 6026, 6164, 6812, 8777, 9039, 9246, 10218, 10452, 12052, 17554, 18078, 18492, 20033, 20436, 26331, 35108, 36156, 39169, 40066, 52662, 60099, 78338, 80132, 105324, 114101, 117507, 120198, 156676, 201871, 228202, 235014, 240396, 342303, 403742, 456404, 470028, 605613, 684606, 807484, 1211226, 1369212, 2422452, 2624323, 5248646, 7872969, 10497292, 15745938, 31491876]

約数ペア:

[(1, 31491876), (2, 15745938), (3, 10497292), (4, 7872969), (6, 5248646), (12, 2624323), (13, 2422452), (23, 1369212), (26, 1211226), (39, 807484), (46, 684606), (52, 605613), (67, 470028), (69, 456404), (78, 403742), (92, 342303), (131, 240396), (134, 235014), (138, 228202), (156, 201871), (201, 156676), (262, 120198), (268, 117507), (276, 114101), (299, 105324), (393, 80132), (402, 78338), (524, 60099), (598, 52662), (786, 40066), (804, 39169), (871, 36156), (897, 35108), (1196, 26331), (1541, 20436), (1572, 20033), (1703, 18492), (1742, 18078), (1794, 17554), (2613, 12052), (3013, 10452), (3082, 10218), (3406, 9246), (3484, 9039), (3588, 8777), (4623, 6812), (5109, 6164), (5226, 6026)]