388755575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4139}}^1$

素因数の和:4196

約数の個数: 36

約数和(自身を含む): 551605320

約数和(自身を除く): 162849745

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 3757, 4139, 5525, 7225, 18785, 20695, 53807, 70363, 93925, 103475, 269035, 351815, 914719, 1196171, 1345175, 1759075, 4573595, 5980855, 15550223, 22867975, 29904275, 77751115, 388755575]

約数ペア:

[(1, 388755575), (5, 77751115), (13, 29904275), (17, 22867975), (25, 15550223), (65, 5980855), (85, 4573595), (221, 1759075), (289, 1345175), (325, 1196171), (425, 914719), (1105, 351815), (1445, 269035), (3757, 103475), (4139, 93925), (5525, 70363), (7225, 53807), (18785, 20695)]