667305070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{20899}}^1$

素因数の和:21040

約数の個数: 32

約数和(自身を含む): 1251993600

約数和(自身を除く): 584688530

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 6386, 15965, 20899, 31930, 41798, 104495, 208990, 647869, 1295738, 2152597, 3239345, 4305194, 6478690, 10762985, 21525970, 66730507, 133461014, 333652535, 667305070]

約数ペア:

[(1, 667305070), (2, 333652535), (5, 133461014), (10, 66730507), (31, 21525970), (62, 10762985), (103, 6478690), (155, 4305194), (206, 3239345), (310, 2152597), (515, 1295738), (1030, 647869), (3193, 208990), (6386, 104495), (15965, 41798), (20899, 31930)]