238848025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 333534208

約数和(自身を除く): 94686183

約数列:

[1, 5, 13, 25, 31, 65, 151, 155, 157, 325, 403, 755, 775, 785, 1963, 2015, 2041, 3775, 3925, 4681, 4867, 9815, 10075, 10205, 23405, 23707, 24335, 49075, 51025, 60853, 63271, 117025, 118535, 121675, 304265, 308191, 316355, 592675, 734917, 1521325, 1540955, 1581775, 3674585, 7704775, 9553921, 18372925, 47769605, 238848025]

約数ペア:

[(1, 238848025), (5, 47769605), (13, 18372925), (25, 9553921), (31, 7704775), (65, 3674585), (151, 1581775), (155, 1540955), (157, 1521325), (325, 734917), (403, 592675), (755, 316355), (775, 308191), (785, 304265), (1963, 121675), (2015, 118535), (2041, 117025), (3775, 63271), (3925, 60853), (4681, 51025), (4867, 49075), (9815, 24335), (10075, 23707), (10205, 23405)]