313871888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 687914304

約数和(自身を除く): 374042416

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 157, 176, 296, 307, 314, 407, 592, 614, 628, 814, 1228, 1256, 1628, 1727, 2456, 2512, 3256, 3377, 3454, 4912, 5809, 6512, 6754, 6908, 11359, 11618, 13508, 13816, 22718, 23236, 27016, 27632, 45436, 46472, 48199, 54032, 63899, 90872, 92944, 96398, 124949, 127798, 181744, 192796, 249898, 255596, 385592, 499796, 511192, 530189, 771184, 999592, 1022384, 1060378, 1783363, 1999184, 2120756, 3566726, 4241512, 7133452, 8483024, 14266904, 19616993, 28533808, 39233986, 78467972, 156935944, 313871888]

約数ペア:

[(1, 313871888), (2, 156935944), (4, 78467972), (8, 39233986), (11, 28533808), (16, 19616993), (22, 14266904), (37, 8483024), (44, 7133452), (74, 4241512), (88, 3566726), (148, 2120756), (157, 1999184), (176, 1783363), (296, 1060378), (307, 1022384), (314, 999592), (407, 771184), (592, 530189), (614, 511192), (628, 499796), (814, 385592), (1228, 255596), (1256, 249898), (1628, 192796), (1727, 181744), (2456, 127798), (2512, 124949), (3256, 96398), (3377, 92944), (3454, 90872), (4912, 63899), (5809, 54032), (6512, 48199), (6754, 46472), (6908, 45436), (11359, 27632), (11618, 27016), (13508, 23236), (13816, 22718)]