28160928

素因数分解:

$2^5\times 3^2\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 80599428

約数和(自身を除く): 52438500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 277, 288, 353, 554, 706, 831, 1059, 1108, 1412, 1662, 2118, 2216, 2493, 2824, 3177, 3324, 4236, 4432, 4986, 5648, 6354, 6648, 8472, 8864, 9972, 11296, 12708, 13296, 16944, 19944, 25416, 26592, 33888, 39888, 50832, 79776, 97781, 101664, 195562, 293343, 391124, 586686, 782248, 880029, 1173372, 1564496, 1760058, 2346744, 3128992, 3520116, 4693488, 7040232, 9386976, 14080464, 28160928]

約数ペア:

[(1, 28160928), (2, 14080464), (3, 9386976), (4, 7040232), (6, 4693488), (8, 3520116), (9, 3128992), (12, 2346744), (16, 1760058), (18, 1564496), (24, 1173372), (32, 880029), (36, 782248), (48, 586686), (72, 391124), (96, 293343), (144, 195562), (277, 101664), (288, 97781), (353, 79776), (554, 50832), (706, 39888), (831, 33888), (1059, 26592), (1108, 25416), (1412, 19944), (1662, 16944), (2118, 13296), (2216, 12708), (2493, 11296), (2824, 9972), (3177, 8864), (3324, 8472), (4236, 6648), (4432, 6354), (4986, 5648)]