64385205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 116847360

約数和(自身を除く): 52462155

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 97, 137, 255, 285, 291, 323, 411, 485, 685, 969, 1455, 1615, 1649, 1843, 2055, 2329, 2603, 4845, 4947, 5529, 6987, 7809, 8245, 9215, 11645, 13015, 13289, 24735, 27645, 31331, 34935, 39045, 39867, 44251, 66445, 93993, 132753, 156655, 199335, 221255, 225913, 252491, 469965, 663765, 677739, 757473, 1129565, 1262455, 3388695, 3787365, 4292347, 12877041, 21461735, 64385205]

約数ペア:

[(1, 64385205), (3, 21461735), (5, 12877041), (15, 4292347), (17, 3787365), (19, 3388695), (51, 1262455), (57, 1129565), (85, 757473), (95, 677739), (97, 663765), (137, 469965), (255, 252491), (285, 225913), (291, 221255), (323, 199335), (411, 156655), (485, 132753), (685, 93993), (969, 66445), (1455, 44251), (1615, 39867), (1649, 39045), (1843, 34935), (2055, 31331), (2329, 27645), (2603, 24735), (4845, 13289), (4947, 13015), (5529, 11645), (6987, 9215), (7809, 8245)]