166175425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 247484160

約数和(自身を除く): 81308735

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 425, 475, 1105, 1235, 1583, 1615, 4199, 5525, 6175, 7915, 8075, 20579, 20995, 26911, 30077, 39575, 102895, 104975, 134555, 150385, 349843, 391001, 511309, 514475, 672775, 751925, 1749215, 1955005, 2556545, 6647017, 8746075, 9775025, 12782725, 33235085, 166175425]

約数ペア:

[(1, 166175425), (5, 33235085), (13, 12782725), (17, 9775025), (19, 8746075), (25, 6647017), (65, 2556545), (85, 1955005), (95, 1749215), (221, 751925), (247, 672775), (323, 514475), (325, 511309), (425, 391001), (475, 349843), (1105, 150385), (1235, 134555), (1583, 104975), (1615, 102895), (4199, 39575), (5525, 30077), (6175, 26911), (7915, 20995), (8075, 20579)]