197992025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{631}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 308456448

約数和(自身を除く): 110464423

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 163, 175, 275, 385, 631, 815, 1141, 1793, 1925, 3155, 4075, 4417, 5705, 6941, 8965, 12551, 15775, 22085, 28525, 34705, 44825, 48587, 62755, 102853, 110425, 173525, 242935, 313775, 514265, 719971, 1131383, 1214675, 2571325, 3599855, 5656915, 7919681, 17999275, 28284575, 39598405, 197992025]

約数ペア:

[(1, 197992025), (5, 39598405), (7, 28284575), (11, 17999275), (25, 7919681), (35, 5656915), (55, 3599855), (77, 2571325), (163, 1214675), (175, 1131383), (275, 719971), (385, 514265), (631, 313775), (815, 242935), (1141, 173525), (1793, 110425), (1925, 102853), (3155, 62755), (4075, 48587), (4417, 44825), (5705, 34705), (6941, 28525), (8965, 22085), (12551, 15775)]