217943642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1563

約数の個数: 48

約数和(自身を含む): 408188160

約数和(自身を除く): 190244518

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 361, 406, 551, 722, 1102, 1487, 2527, 2974, 3857, 5054, 7714, 10409, 10469, 20818, 20938, 28253, 43123, 56506, 73283, 86246, 146566, 197771, 301861, 395542, 536807, 603722, 819337, 1073614, 1638674, 3757649, 5735359, 7515298, 11470718, 15567403, 31134806, 108971821, 217943642]

約数ペア:

[(1, 217943642), (2, 108971821), (7, 31134806), (14, 15567403), (19, 11470718), (29, 7515298), (38, 5735359), (58, 3757649), (133, 1638674), (203, 1073614), (266, 819337), (361, 603722), (406, 536807), (551, 395542), (722, 301861), (1102, 197771), (1487, 146566), (2527, 86246), (2974, 73283), (3857, 56506), (5054, 43123), (7714, 28253), (10409, 20938), (10469, 20818)]