1640697872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{587}}^1\times {\mathrm{15881}}^1$

素因数の和:16487

約数の個数: 40

約数和(自身を含む): 3473965152

約数和(自身を除く): 1833267280

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 587, 1174, 2348, 4696, 6457, 9392, 12914, 15881, 25828, 31762, 51656, 63524, 103312, 127048, 174691, 254096, 349382, 698764, 1397528, 2795056, 9322147, 18644294, 37288588, 74577176, 102543617, 149154352, 205087234, 410174468, 820348936, 1640697872]

約数ペア:

[(1, 1640697872), (2, 820348936), (4, 410174468), (8, 205087234), (11, 149154352), (16, 102543617), (22, 74577176), (44, 37288588), (88, 18644294), (176, 9322147), (587, 2795056), (1174, 1397528), (2348, 698764), (4696, 349382), (6457, 254096), (9392, 174691), (12914, 127048), (15881, 103312), (25828, 63524), (31762, 51656)]