305705477

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 398131200

約数和(自身を除く): 92425723

約数列:

[1, 7, 11, 31, 77, 89, 217, 341, 623, 979, 1439, 2387, 2759, 6853, 10073, 15829, 19313, 30349, 44609, 110803, 128071, 212443, 312263, 490699, 896497, 1408781, 3434893, 3970201, 9861467, 27791407, 43672211, 305705477]

約数ペア:

[(1, 305705477), (7, 43672211), (11, 27791407), (31, 9861467), (77, 3970201), (89, 3434893), (217, 1408781), (341, 896497), (623, 490699), (979, 312263), (1439, 212443), (2387, 128071), (2759, 110803), (6853, 44609), (10073, 30349), (15829, 19313)]