28276048490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{25601}}^1$

素因数の和:25787

約数の個数: 64

約数和(自身を含む): 55245019680

約数和(自身を除く): 26968971190

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 89, 146, 170, 178, 365, 445, 730, 890, 1241, 1513, 2482, 3026, 6205, 6497, 7565, 12410, 12994, 15130, 25601, 32485, 51202, 64970, 110449, 128005, 220898, 256010, 435217, 552245, 870434, 1104490, 1868873, 2176085, 2278489, 3737746, 4352170, 4556978, 9344365, 11392445, 18688730, 22784890, 31770841, 38734313, 63541682, 77468626, 158854205, 166329697, 193671565, 317708410, 332659394, 387343130, 831648485, 1663296970, 2827604849, 5655209698, 14138024245, 28276048490]

約数ペア:

[(1, 28276048490), (2, 14138024245), (5, 5655209698), (10, 2827604849), (17, 1663296970), (34, 831648485), (73, 387343130), (85, 332659394), (89, 317708410), (146, 193671565), (170, 166329697), (178, 158854205), (365, 77468626), (445, 63541682), (730, 38734313), (890, 31770841), (1241, 22784890), (1513, 18688730), (2482, 11392445), (3026, 9344365), (6205, 4556978), (6497, 4352170), (7565, 3737746), (12410, 2278489), (12994, 2176085), (15130, 1868873), (25601, 1104490), (32485, 870434), (51202, 552245), (64970, 435217), (110449, 256010), (128005, 220898)]