1902789455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{1759}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 2697953280

約数和(自身を除く): 795163825

約数列:

[1, 5, 7, 31, 35, 155, 217, 997, 1085, 1759, 4985, 6979, 8795, 12313, 30907, 34895, 54529, 61565, 154535, 216349, 272645, 381703, 1081745, 1753723, 1908515, 8768615, 12276061, 54365413, 61380305, 271827065, 380557891, 1902789455]

約数ペア:

[(1, 1902789455), (5, 380557891), (7, 271827065), (31, 61380305), (35, 54365413), (155, 12276061), (217, 8768615), (997, 1908515), (1085, 1753723), (1759, 1081745), (4985, 381703), (6979, 272645), (8795, 216349), (12313, 154535), (30907, 61565), (34895, 54529)]