38693785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 56455056

約数和(自身を除く): 17761271

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 97, 221, 247, 323, 361, 485, 1105, 1235, 1261, 1615, 1649, 1805, 1843, 4199, 4693, 6137, 6305, 8245, 9215, 20995, 21437, 23465, 23959, 30685, 31331, 35017, 79781, 107185, 119795, 156655, 175085, 398905, 407303, 455221, 595289, 2036515, 2276105, 2976445, 7738757, 38693785]

約数ペア:

[(1, 38693785), (5, 7738757), (13, 2976445), (17, 2276105), (19, 2036515), (65, 595289), (85, 455221), (95, 407303), (97, 398905), (221, 175085), (247, 156655), (323, 119795), (361, 107185), (485, 79781), (1105, 35017), (1235, 31331), (1261, 30685), (1615, 23959), (1649, 23465), (1805, 21437), (1843, 20995), (4199, 9215), (4693, 8245), (6137, 6305)]