1228725896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{218479}}^1$

素因数の和:218541

約数の個数: 32

約数和(自身を含む): 2490672000

約数和(自身を除く): 1261946104

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 218479, 436958, 873916, 1747832, 4151101, 8083723, 8302202, 16167446, 16604404, 32334892, 33208808, 64669784, 153590737, 307181474, 614362948, 1228725896]

約数ペア:

[(1, 1228725896), (2, 614362948), (4, 307181474), (8, 153590737), (19, 64669784), (37, 33208808), (38, 32334892), (74, 16604404), (76, 16167446), (148, 8302202), (152, 8083723), (296, 4151101), (703, 1747832), (1406, 873916), (2812, 436958), (5624, 218479)]