72187325

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 107243136

約数和(自身を除く): 35055811

約数列:

[1, 5, 7, 25, 35, 43, 53, 175, 181, 215, 265, 301, 371, 905, 1075, 1267, 1325, 1505, 1855, 2279, 4525, 6335, 7525, 7783, 9275, 9593, 11395, 15953, 31675, 38915, 47965, 54481, 56975, 67151, 79765, 194575, 239825, 272405, 335755, 398825, 412499, 1362025, 1678775, 2062495, 2887493, 10312475, 14437465, 72187325]

約数ペア:

[(1, 72187325), (5, 14437465), (7, 10312475), (25, 2887493), (35, 2062495), (43, 1678775), (53, 1362025), (175, 412499), (181, 398825), (215, 335755), (265, 272405), (301, 239825), (371, 194575), (905, 79765), (1075, 67151), (1267, 56975), (1325, 54481), (1505, 47965), (1855, 38915), (2279, 31675), (4525, 15953), (6335, 11395), (7525, 9593), (7783, 9275)]