389381744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{773}}^1\times {\mathrm{1657}}^1$

素因数の和:2457

約数の個数: 40

約数和(自身を含む): 795641040

約数和(自身を除く): 406259296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 773, 1546, 1657, 3092, 3314, 6184, 6628, 12368, 13256, 14687, 26512, 29374, 31483, 58748, 62966, 117496, 125932, 234992, 251864, 503728, 1280861, 2561722, 5123444, 10246888, 20493776, 24336359, 48672718, 97345436, 194690872, 389381744]

約数ペア:

[(1, 389381744), (2, 194690872), (4, 97345436), (8, 48672718), (16, 24336359), (19, 20493776), (38, 10246888), (76, 5123444), (152, 2561722), (304, 1280861), (773, 503728), (1546, 251864), (1657, 234992), (3092, 125932), (3314, 117496), (6184, 62966), (6628, 58748), (12368, 31483), (13256, 29374), (14687, 26512)]