326375998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1319}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 546416640

約数和(自身を除く): 220040642

約数列:

[1, 2, 13, 26, 31, 62, 307, 403, 614, 806, 1319, 2638, 3991, 7982, 9517, 17147, 19034, 34294, 40889, 81778, 123721, 247442, 404933, 531557, 809866, 1063114, 5264129, 10528258, 12552923, 25105846, 163187999, 326375998]

約数ペア:

[(1, 326375998), (2, 163187999), (13, 25105846), (26, 12552923), (31, 10528258), (62, 5264129), (307, 1063114), (403, 809866), (614, 531557), (806, 404933), (1319, 247442), (2638, 123721), (3991, 81778), (7982, 40889), (9517, 34294), (17147, 19034)]