640146474

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{23599}}^1$

素因数の和:23755

約数の個数: 48

約数和(自身を含む): 1524182400

約数和(自身を除く): 884035926

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 822, 1233, 1507, 2466, 3014, 4521, 9042, 13563, 23599, 27126, 47198, 70797, 141594, 212391, 259589, 424782, 519178, 778767, 1557534, 2336301, 3233063, 4672602, 6466126, 9699189, 19398378, 29097567, 35563693, 58195134, 71127386, 106691079, 213382158, 320073237, 640146474]

約数ペア:

[(1, 640146474), (2, 320073237), (3, 213382158), (6, 106691079), (9, 71127386), (11, 58195134), (18, 35563693), (22, 29097567), (33, 19398378), (66, 9699189), (99, 6466126), (137, 4672602), (198, 3233063), (274, 2336301), (411, 1557534), (822, 778767), (1233, 519178), (1507, 424782), (2466, 259589), (3014, 212391), (4521, 141594), (9042, 70797), (13563, 47198), (23599, 27126)]