1845172225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 2524185664

約数和(自身を除く): 679013439

約数列:

[1, 5, 13, 25, 61, 65, 163, 305, 325, 571, 793, 815, 1525, 2119, 2855, 3965, 4075, 7423, 9943, 10595, 14275, 19825, 34831, 37115, 49715, 52975, 93073, 129259, 174155, 185575, 248575, 452803, 465365, 646295, 870775, 1209949, 2264015, 2326825, 3231475, 5677453, 6049745, 11320075, 28387265, 30248725, 73806889, 141936325, 369034445, 1845172225]

約数ペア:

[(1, 1845172225), (5, 369034445), (13, 141936325), (25, 73806889), (61, 30248725), (65, 28387265), (163, 11320075), (305, 6049745), (325, 5677453), (571, 3231475), (793, 2326825), (815, 2264015), (1525, 1209949), (2119, 870775), (2855, 646295), (3965, 465365), (4075, 452803), (7423, 248575), (9943, 185575), (10595, 174155), (14275, 129259), (19825, 93073), (34831, 52975), (37115, 49715)]