431005918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{11657}}^1$

素因数の和:11824

約数の個数: 32

約数和(自身を含む): 783417600

約数和(自身を除く): 352411682

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 5282, 11657, 18487, 23314, 36974, 81599, 163198, 221483, 442966, 1550381, 1620323, 3100762, 3240646, 11342261, 22684522, 30786137, 61572274, 215502959, 431005918]

約数ペア:

[(1, 431005918), (2, 215502959), (7, 61572274), (14, 30786137), (19, 22684522), (38, 11342261), (133, 3240646), (139, 3100762), (266, 1620323), (278, 1550381), (973, 442966), (1946, 221483), (2641, 163198), (5282, 81599), (11657, 36974), (18487, 23314)]