311907968

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 64

約数和(自身を含む): 660960000

約数和(自身を除く): 349052032

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 128, 184, 212, 368, 424, 736, 848, 1219, 1472, 1696, 1999, 2438, 2944, 3392, 3998, 4876, 6784, 7996, 9752, 15992, 19504, 31984, 39008, 45977, 63968, 78016, 91954, 105947, 127936, 156032, 183908, 211894, 255872, 367816, 423788, 735632, 847576, 1471264, 1695152, 2436781, 2942528, 3390304, 4873562, 5885056, 6780608, 9747124, 13561216, 19494248, 38988496, 77976992, 155953984, 311907968]

約数ペア:

[(1, 311907968), (2, 155953984), (4, 77976992), (8, 38988496), (16, 19494248), (23, 13561216), (32, 9747124), (46, 6780608), (53, 5885056), (64, 4873562), (92, 3390304), (106, 2942528), (128, 2436781), (184, 1695152), (212, 1471264), (368, 847576), (424, 735632), (736, 423788), (848, 367816), (1219, 255872), (1472, 211894), (1696, 183908), (1999, 156032), (2438, 127936), (2944, 105947), (3392, 91954), (3998, 78016), (4876, 63968), (6784, 45977), (7996, 39008), (9752, 31984), (15992, 19504)]