65993745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 120372480

約数和(自身を除く): 54378735

約数列:

[1, 3, 5, 15, 17, 19, 51, 53, 57, 85, 95, 159, 255, 257, 265, 285, 323, 771, 795, 901, 969, 1007, 1285, 1615, 2703, 3021, 3855, 4369, 4505, 4845, 4883, 5035, 13107, 13515, 13621, 14649, 15105, 17119, 21845, 24415, 40863, 51357, 65535, 68105, 73245, 83011, 85595, 204315, 231557, 249033, 256785, 258799, 415055, 694671, 776397, 1157785, 1245165, 1293995, 3473355, 3881985, 4399583, 13198749, 21997915, 65993745]

約数ペア:

[(1, 65993745), (3, 21997915), (5, 13198749), (15, 4399583), (17, 3881985), (19, 3473355), (51, 1293995), (53, 1245165), (57, 1157785), (85, 776397), (95, 694671), (159, 415055), (255, 258799), (257, 256785), (265, 249033), (285, 231557), (323, 204315), (771, 85595), (795, 83011), (901, 73245), (969, 68105), (1007, 65535), (1285, 51357), (1615, 40863), (2703, 24415), (3021, 21845), (3855, 17119), (4369, 15105), (4505, 14649), (4845, 13621), (4883, 13515), (5035, 13107)]