814864144

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{644671}}^1$

素因数の和:644758

約数の個数: 20

約数和(自身を含む): 1598786560

約数和(自身を除く): 783922416

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 644671, 1289342, 2578684, 5157368, 10314736, 50929009, 101858018, 203716036, 407432072, 814864144]

約数ペア:

[(1, 814864144), (2, 407432072), (4, 203716036), (8, 101858018), (16, 50929009), (79, 10314736), (158, 5157368), (316, 2578684), (632, 1289342), (1264, 644671)]