1258816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 56

約数和(自身を含む): 2880360

約数和(自身を除く): 1621544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 89, 104, 136, 178, 208, 221, 272, 356, 416, 442, 544, 712, 832, 884, 1088, 1157, 1424, 1513, 1768, 2314, 2848, 3026, 3536, 4628, 5696, 6052, 7072, 9256, 12104, 14144, 18512, 19669, 24208, 37024, 39338, 48416, 74048, 78676, 96832, 157352, 314704, 629408, 1258816]

約数ペア:

[(1, 1258816), (2, 629408), (4, 314704), (8, 157352), (13, 96832), (16, 78676), (17, 74048), (26, 48416), (32, 39338), (34, 37024), (52, 24208), (64, 19669), (68, 18512), (89, 14144), (104, 12104), (136, 9256), (178, 7072), (208, 6052), (221, 5696), (272, 4628), (356, 3536), (416, 3026), (442, 2848), (544, 2314), (712, 1768), (832, 1513), (884, 1424), (1088, 1157)]