399391902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243829}}^1$

素因数の和:243857

約数の個数: 48

約数和(自身を含む): 1065049440

約数和(自身を除く): 665657538

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 243829, 487658, 731487, 1462974, 1706803, 2194461, 3169777, 3413606, 4388922, 5120409, 6339554, 9509331, 10240818, 15361227, 19018662, 22188439, 28527993, 30722454, 44376878, 57055986, 66565317, 133130634, 199695951, 399391902]

約数ペア:

[(1, 399391902), (2, 199695951), (3, 133130634), (6, 66565317), (7, 57055986), (9, 44376878), (13, 30722454), (14, 28527993), (18, 22188439), (21, 19018662), (26, 15361227), (39, 10240818), (42, 9509331), (63, 6339554), (78, 5120409), (91, 4388922), (117, 3413606), (126, 3169777), (182, 2194461), (234, 1706803), (273, 1462974), (546, 731487), (819, 487658), (1638, 243829)]