247906945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 355752000

約数和(自身を除く): 107845055

約数列:

[1, 5, 11, 13, 55, 65, 143, 149, 169, 179, 715, 745, 845, 895, 1639, 1859, 1937, 1969, 2327, 8195, 9295, 9685, 9845, 11635, 21307, 25181, 25597, 26671, 30251, 106535, 125905, 127985, 133355, 151255, 276991, 293381, 332761, 346723, 1384955, 1466905, 1663805, 1733615, 3813953, 4507399, 19069765, 22536995, 49581389, 247906945]

約数ペア:

[(1, 247906945), (5, 49581389), (11, 22536995), (13, 19069765), (55, 4507399), (65, 3813953), (143, 1733615), (149, 1663805), (169, 1466905), (179, 1384955), (715, 346723), (745, 332761), (845, 293381), (895, 276991), (1639, 151255), (1859, 133355), (1937, 127985), (1969, 125905), (2327, 106535), (8195, 30251), (9295, 26671), (9685, 25597), (9845, 25181), (11635, 21307)]