78395828

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 160352640

約数和(自身を除く): 81956812

約数列:

[1, 2, 4, 7, 14, 28, 89, 163, 178, 193, 326, 356, 386, 623, 652, 772, 1141, 1246, 1351, 2282, 2492, 2702, 4564, 5404, 14507, 17177, 29014, 31459, 34354, 58028, 62918, 68708, 101549, 120239, 125836, 203098, 220213, 240478, 406196, 440426, 480956, 880852, 2799851, 5599702, 11199404, 19598957, 39197914, 78395828]

約数ペア:

[(1, 78395828), (2, 39197914), (4, 19598957), (7, 11199404), (14, 5599702), (28, 2799851), (89, 880852), (163, 480956), (178, 440426), (193, 406196), (326, 240478), (356, 220213), (386, 203098), (623, 125836), (652, 120239), (772, 101549), (1141, 68708), (1246, 62918), (1351, 58028), (2282, 34354), (2492, 31459), (2702, 29014), (4564, 17177), (5404, 14507)]