156958490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19793}}^1$

素因数の和:19874

約数の個数: 32

約数和(自身を含む): 309261456

約数和(自身を除く): 152302966

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 19793, 39586, 98965, 197930, 257309, 514618, 1207373, 1286545, 2414746, 2573090, 6036865, 12073730, 15695849, 31391698, 78479245, 156958490]

約数ペア:

[(1, 156958490), (2, 78479245), (5, 31391698), (10, 15695849), (13, 12073730), (26, 6036865), (61, 2573090), (65, 2414746), (122, 1286545), (130, 1207373), (305, 514618), (610, 257309), (793, 197930), (1586, 98965), (3965, 39586), (7930, 19793)]