636705251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5091

約数の個数: 32

約数和(自身を含む): 831280128

約数和(自身を除く): 194574877

約数列:

[1, 7, 13, 23, 61, 91, 161, 299, 427, 793, 1403, 2093, 4987, 5551, 9821, 18239, 34909, 64831, 114701, 127673, 304207, 453817, 802907, 1491113, 2129449, 3954691, 6996761, 10437791, 27682837, 48977327, 90957893, 636705251]

約数ペア:

[(1, 636705251), (7, 90957893), (13, 48977327), (23, 27682837), (61, 10437791), (91, 6996761), (161, 3954691), (299, 2129449), (427, 1491113), (793, 802907), (1403, 453817), (2093, 304207), (4987, 127673), (5551, 114701), (9821, 64831), (18239, 34909)]