405301832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90631}}^1$

素因数の和:90693

約数の個数: 32

約数和(自身を含む): 837439680

約数和(自身を除く): 432137848

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 90631, 181262, 362524, 725048, 1178203, 2356406, 3897133, 4712812, 7794266, 9425624, 15588532, 31177064, 50662729, 101325458, 202650916, 405301832]

約数ペア:

[(1, 405301832), (2, 202650916), (4, 101325458), (8, 50662729), (13, 31177064), (26, 15588532), (43, 9425624), (52, 7794266), (86, 4712812), (104, 3897133), (172, 2356406), (344, 1178203), (559, 725048), (1118, 362524), (2236, 181262), (4472, 90631)]