253444408

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{105251}}^1$

素因数の和:105307

約数の個数: 32

約数和(自身を含む): 555730560

約数和(自身を除く): 302286152

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 105251, 210502, 421004, 736757, 842008, 1473514, 2947028, 4525793, 5894056, 9051586, 18103172, 31680551, 36206344, 63361102, 126722204, 253444408]

約数ペア:

[(1, 253444408), (2, 126722204), (4, 63361102), (7, 36206344), (8, 31680551), (14, 18103172), (28, 9051586), (43, 5894056), (56, 4525793), (86, 2947028), (172, 1473514), (301, 842008), (344, 736757), (602, 421004), (1204, 210502), (2408, 105251)]