686556

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 1944712

約数和(自身を除く): 1258156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 163, 234, 324, 326, 351, 468, 489, 652, 702, 978, 1053, 1404, 1467, 1956, 2106, 2119, 2934, 4212, 4238, 4401, 5868, 6357, 8476, 8802, 12714, 13203, 17604, 19071, 25428, 26406, 38142, 52812, 57213, 76284, 114426, 171639, 228852, 343278, 686556]

約数ペア:

[(1, 686556), (2, 343278), (3, 228852), (4, 171639), (6, 114426), (9, 76284), (12, 57213), (13, 52812), (18, 38142), (26, 26406), (27, 25428), (36, 19071), (39, 17604), (52, 13203), (54, 12714), (78, 8802), (81, 8476), (108, 6357), (117, 5868), (156, 4401), (162, 4238), (163, 4212), (234, 2934), (324, 2119), (326, 2106), (351, 1956), (468, 1467), (489, 1404), (652, 1053), (702, 978)]