628555535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{907}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 828444672

約数和(自身を除く): 199889137

約数列:

[1, 5, 17, 31, 85, 155, 263, 527, 907, 1315, 2635, 4471, 4535, 8153, 15419, 22355, 28117, 40765, 77095, 138601, 140585, 238541, 477989, 693005, 1192705, 2389945, 4055197, 7394771, 20275985, 36973855, 125711107, 628555535]

約数ペア:

[(1, 628555535), (5, 125711107), (17, 36973855), (31, 20275985), (85, 7394771), (155, 4055197), (263, 2389945), (527, 1192705), (907, 693005), (1315, 477989), (2635, 238541), (4471, 140585), (4535, 138601), (8153, 77095), (15419, 40765), (22355, 28117)]