12281425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 17998848

約数和(自身を除く): 5717423

約数列:

[1, 5, 13, 23, 25, 31, 53, 65, 115, 155, 265, 299, 325, 403, 575, 689, 713, 775, 1219, 1325, 1495, 1643, 2015, 3445, 3565, 6095, 7475, 8215, 9269, 10075, 15847, 17225, 17825, 21359, 30475, 37789, 41075, 46345, 79235, 106795, 188945, 231725, 396175, 491257, 533975, 944725, 2456285, 12281425]

約数ペア:

[(1, 12281425), (5, 2456285), (13, 944725), (23, 533975), (25, 491257), (31, 396175), (53, 231725), (65, 188945), (115, 106795), (155, 79235), (265, 46345), (299, 41075), (325, 37789), (403, 30475), (575, 21359), (689, 17825), (713, 17225), (775, 15847), (1219, 10075), (1325, 9269), (1495, 8215), (1643, 7475), (2015, 6095), (3445, 3565)]