1392758390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 2668419072

約数和(自身を除く): 1275660682

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 163, 215, 310, 326, 430, 641, 815, 1282, 1333, 1630, 2666, 3205, 5053, 6410, 6665, 7009, 10106, 13330, 14018, 19871, 25265, 27563, 35045, 39742, 50530, 55126, 70090, 99355, 104483, 137815, 198710, 208966, 217279, 275630, 434558, 522415, 854453, 1044830, 1086395, 1708906, 2172790, 3238973, 4272265, 4492769, 6477946, 8544530, 8985538, 16194865, 22463845, 32389730, 44927690, 139275839, 278551678, 696379195, 1392758390]

約数ペア:

[(1, 1392758390), (2, 696379195), (5, 278551678), (10, 139275839), (31, 44927690), (43, 32389730), (62, 22463845), (86, 16194865), (155, 8985538), (163, 8544530), (215, 6477946), (310, 4492769), (326, 4272265), (430, 3238973), (641, 2172790), (815, 1708906), (1282, 1086395), (1333, 1044830), (1630, 854453), (2666, 522415), (3205, 434558), (5053, 275630), (6410, 217279), (6665, 208966), (7009, 198710), (10106, 137815), (13330, 104483), (14018, 99355), (19871, 70090), (25265, 55126), (27563, 50530), (35045, 39742)]