128899691065

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{577}}^1\times {\mathrm{1597}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 157145095584

約数和(自身を除く): 28245404519

約数列:

[1, 5, 101, 277, 505, 577, 1385, 1597, 2885, 7985, 27977, 58277, 139885, 159829, 161297, 291385, 442369, 799145, 806485, 921469, 2211845, 4607345, 16142729, 44679269, 80713645, 93068369, 223396345, 255246913, 465341845, 1276234565, 25779938213, 128899691065]

約数ペア:

[(1, 128899691065), (5, 25779938213), (101, 1276234565), (277, 465341845), (505, 255246913), (577, 223396345), (1385, 93068369), (1597, 80713645), (2885, 44679269), (7985, 16142729), (27977, 4607345), (58277, 2211845), (139885, 921469), (159829, 806485), (161297, 799145), (291385, 442369)]