1326402688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 2940537600

約数和(自身を除く): 1614134912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 103, 104, 109, 128, 142, 206, 208, 218, 284, 412, 416, 436, 568, 824, 832, 872, 923, 1136, 1339, 1417, 1648, 1664, 1744, 1846, 2272, 2678, 2834, 3296, 3488, 3692, 4544, 5356, 5668, 6592, 6976, 7313, 7384, 7739, 9088, 10712, 11227, 11336, 13184, 13952, 14626, 14768, 15478, 21424, 22454, 22672, 29252, 29536, 30956, 42848, 44908, 45344, 58504, 59072, 61912, 85696, 89816, 90688, 95069, 100607, 117008, 118144, 123824, 145951, 171392, 179632, 181376, 190138, 201214, 234016, 247648, 291902, 359264, 380276, 402428, 468032, 495296, 583804, 718528, 760552, 797117, 804856, 936064, 990592, 1167608, 1437056, 1521104, 1594234, 1609712, 2335216, 3042208, 3188468, 3219424, 4670432, 6084416, 6376936, 6438848, 9340864, 10362521, 12168832, 12753872, 12877696, 18681728, 20725042, 25507744, 41450084, 51015488, 82900168, 102030976, 165800336, 331600672, 663201344, 1326402688]

約数ペア:

[(1, 1326402688), (2, 663201344), (4, 331600672), (8, 165800336), (13, 102030976), (16, 82900168), (26, 51015488), (32, 41450084), (52, 25507744), (64, 20725042), (71, 18681728), (103, 12877696), (104, 12753872), (109, 12168832), (128, 10362521), (142, 9340864), (206, 6438848), (208, 6376936), (218, 6084416), (284, 4670432), (412, 3219424), (416, 3188468), (436, 3042208), (568, 2335216), (824, 1609712), (832, 1594234), (872, 1521104), (923, 1437056), (1136, 1167608), (1339, 990592), (1417, 936064), (1648, 804856), (1664, 797117), (1744, 760552), (1846, 718528), (2272, 583804), (2678, 495296), (2834, 468032), (3296, 402428), (3488, 380276), (3692, 359264), (4544, 291902), (5356, 247648), (5668, 234016), (6592, 201214), (6976, 190138), (7313, 181376), (7384, 179632), (7739, 171392), (9088, 145951), (10712, 123824), (11227, 118144), (11336, 117008), (13184, 100607), (13952, 95069), (14626, 90688), (14768, 89816), (15478, 85696), (21424, 61912), (22454, 59072), (22672, 58504), (29252, 45344), (29536, 44908), (30956, 42848)]