1320353984

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{665501}}^1$

素因数の和:665544

約数の個数: 28

約数和(自身を含む): 2704600128

約数和(自身を除く): 1384246144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 665501, 1331002, 2662004, 5324008, 10648016, 20630531, 21296032, 41261062, 42592064, 82522124, 165044248, 330088496, 660176992, 1320353984]

約数ペア:

[(1, 1320353984), (2, 660176992), (4, 330088496), (8, 165044248), (16, 82522124), (31, 42592064), (32, 41261062), (62, 21296032), (64, 20630531), (124, 10648016), (248, 5324008), (496, 2662004), (992, 1331002), (1984, 665501)]