215501708

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{12503}}^1$

素因数の和:12677

約数の個数: 24

約数和(自身を含む): 392125440

約数和(自身を除く): 176623732

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 4309, 8618, 12503, 17236, 25006, 50012, 387593, 775186, 1550372, 1737917, 3475834, 6951668, 53875427, 107750854, 215501708]

約数ペア:

[(1, 215501708), (2, 107750854), (4, 53875427), (31, 6951668), (62, 3475834), (124, 1737917), (139, 1550372), (278, 775186), (556, 387593), (4309, 50012), (8618, 25006), (12503, 17236)]