66912425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 93409200

約数和(自身を除く): 26496775

約数列:

[1, 5, 17, 25, 29, 61, 85, 89, 145, 305, 425, 445, 493, 725, 1037, 1513, 1525, 1769, 2225, 2465, 2581, 5185, 5429, 7565, 8845, 12325, 12905, 25925, 27145, 30073, 37825, 43877, 44225, 64525, 92293, 135725, 150365, 157441, 219385, 461465, 751825, 787205, 1096925, 2307325, 2676497, 3936025, 13382485, 66912425]

約数ペア:

[(1, 66912425), (5, 13382485), (17, 3936025), (25, 2676497), (29, 2307325), (61, 1096925), (85, 787205), (89, 751825), (145, 461465), (305, 219385), (425, 157441), (445, 150365), (493, 135725), (725, 92293), (1037, 64525), (1513, 44225), (1525, 43877), (1769, 37825), (2225, 30073), (2465, 27145), (2581, 25925), (5185, 12905), (5429, 12325), (7565, 8845)]