2561878425

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{953}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 4306920768

約数和(自身を除く): 1745042343

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 491, 953, 1095, 1473, 1825, 2455, 2859, 4765, 5475, 7365, 12275, 14295, 23825, 35843, 36825, 69569, 71475, 107529, 179215, 208707, 347845, 467923, 537645, 896075, 1043535, 1403769, 1739225, 2339615, 2688225, 5217675, 7018845, 11698075, 34158379, 35094225, 102475137, 170791895, 512375685, 853959475, 2561878425]

約数ペア:

[(1, 2561878425), (3, 853959475), (5, 512375685), (15, 170791895), (25, 102475137), (73, 35094225), (75, 34158379), (219, 11698075), (365, 7018845), (491, 5217675), (953, 2688225), (1095, 2339615), (1473, 1739225), (1825, 1403769), (2455, 1043535), (2859, 896075), (4765, 537645), (5475, 467923), (7365, 347845), (12275, 208707), (14295, 179215), (23825, 107529), (35843, 71475), (36825, 69569)]