721898416

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{883}}^1\times {\mathrm{1381}}^1$

素因数の和:2309

約数の個数: 40

約数和(自身を含む): 1439148464

約数和(自身を除く): 717250048

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 883, 1381, 1766, 2762, 3532, 5524, 7064, 11048, 14128, 22096, 32671, 51097, 65342, 102194, 130684, 204388, 261368, 408776, 522736, 817552, 1219423, 2438846, 4877692, 9755384, 19510768, 45118651, 90237302, 180474604, 360949208, 721898416]

約数ペア:

[(1, 721898416), (2, 360949208), (4, 180474604), (8, 90237302), (16, 45118651), (37, 19510768), (74, 9755384), (148, 4877692), (296, 2438846), (592, 1219423), (883, 817552), (1381, 522736), (1766, 408776), (2762, 261368), (3532, 204388), (5524, 130684), (7064, 102194), (11048, 65342), (14128, 51097), (22096, 32671)]