1328934784

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17627}}^1$

素因数の和:17691

約数の個数: 64

約数和(自身を含む): 2876889600

約数和(自身を除く): 1547954816

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2356, 2432, 3968, 4712, 9424, 17627, 18848, 35254, 37696, 70508, 75392, 141016, 282032, 334913, 546437, 564064, 669826, 1092874, 1128128, 1339652, 2185748, 2256256, 2679304, 4371496, 5358608, 8742992, 10382303, 10717216, 17485984, 20764606, 21434432, 34971968, 41529212, 42868864, 69943936, 83058424, 166116848, 332233696, 664467392, 1328934784]

約数ペア:

[(1, 1328934784), (2, 664467392), (4, 332233696), (8, 166116848), (16, 83058424), (19, 69943936), (31, 42868864), (32, 41529212), (38, 34971968), (62, 21434432), (64, 20764606), (76, 17485984), (124, 10717216), (128, 10382303), (152, 8742992), (248, 5358608), (304, 4371496), (496, 2679304), (589, 2256256), (608, 2185748), (992, 1339652), (1178, 1128128), (1216, 1092874), (1984, 669826), (2356, 564064), (2432, 546437), (3968, 334913), (4712, 282032), (9424, 141016), (17627, 75392), (18848, 70508), (35254, 37696)]