259109809

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 315187200

約数和(自身を除く): 56077391

約数列:

[1, 7, 29, 79, 107, 151, 203, 553, 749, 1057, 2291, 3103, 4379, 8453, 11929, 16037, 16157, 21721, 30653, 59171, 83503, 113099, 245137, 345941, 468553, 1276403, 1715959, 2421587, 3279871, 8934821, 37015687, 259109809]

約数ペア:

[(1, 259109809), (7, 37015687), (29, 8934821), (79, 3279871), (107, 2421587), (151, 1715959), (203, 1276403), (553, 468553), (749, 345941), (1057, 245137), (2291, 113099), (3103, 83503), (4379, 59171), (8453, 30653), (11929, 21721), (16037, 16157)]