1387926481978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1\times {\mathrm{555491}}^1$

素因数の和:557262

約数の個数: 32

約数和(自身を含む): 2256941776320

約数和(自身を除く): 869015294342

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 1709, 3418, 29053, 58106, 73487, 146974, 555491, 1110982, 1249279, 2498558, 9443347, 18886694, 23886113, 47772226, 406063921, 812127842, 949334119, 1898668238, 16138680023, 32277360046, 40821367117, 81642734234, 693963240989, 1387926481978]

約数ペア:

[(1, 1387926481978), (2, 693963240989), (17, 81642734234), (34, 40821367117), (43, 32277360046), (86, 16138680023), (731, 1898668238), (1462, 949334119), (1709, 812127842), (3418, 406063921), (29053, 47772226), (58106, 23886113), (73487, 18886694), (146974, 9443347), (555491, 2498558), (1110982, 1249279)]