81971330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 174797568

約数和(自身を除く): 92826238

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 113, 215, 226, 241, 301, 430, 482, 565, 602, 791, 1130, 1205, 1505, 1582, 1687, 2410, 3010, 3374, 3955, 4859, 7910, 8435, 9718, 10363, 16870, 20726, 24295, 27233, 34013, 48590, 51815, 54466, 68026, 72541, 103630, 136165, 145082, 170065, 190631, 272330, 340130, 362705, 381262, 725410, 953155, 1171019, 1906310, 2342038, 5855095, 8197133, 11710190, 16394266, 40985665, 81971330]

約数ペア:

[(1, 81971330), (2, 40985665), (5, 16394266), (7, 11710190), (10, 8197133), (14, 5855095), (35, 2342038), (43, 1906310), (70, 1171019), (86, 953155), (113, 725410), (215, 381262), (226, 362705), (241, 340130), (301, 272330), (430, 190631), (482, 170065), (565, 145082), (602, 136165), (791, 103630), (1130, 72541), (1205, 68026), (1505, 54466), (1582, 51815), (1687, 48590), (2410, 34013), (3010, 27233), (3374, 24295), (3955, 20726), (4859, 16870), (7910, 10363), (8435, 9718)]