65857857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 106659840

約数和(自身を除く): 40801983

約数列:

[1, 3, 13, 19, 31, 39, 47, 57, 61, 93, 141, 183, 247, 403, 589, 611, 741, 793, 893, 1159, 1209, 1457, 1767, 1833, 1891, 2379, 2679, 2867, 3477, 4371, 5673, 7657, 8601, 11609, 15067, 18941, 22971, 24583, 27683, 34827, 35929, 37271, 45201, 54473, 56823, 73749, 83049, 88877, 107787, 111813, 163419, 266631, 359879, 467077, 708149, 1079637, 1155401, 1401231, 1688663, 2124447, 3466203, 5065989, 21952619, 65857857]

約数ペア:

[(1, 65857857), (3, 21952619), (13, 5065989), (19, 3466203), (31, 2124447), (39, 1688663), (47, 1401231), (57, 1155401), (61, 1079637), (93, 708149), (141, 467077), (183, 359879), (247, 266631), (403, 163419), (589, 111813), (611, 107787), (741, 88877), (793, 83049), (893, 73749), (1159, 56823), (1209, 54473), (1457, 45201), (1767, 37271), (1833, 35929), (1891, 34827), (2379, 27683), (2679, 24583), (2867, 22971), (3477, 18941), (4371, 15067), (5673, 11609), (7657, 8601)]