159931325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 221414400

約数和(自身を除く): 61483075

約数列:

[1, 5, 17, 25, 31, 61, 85, 155, 199, 305, 425, 527, 775, 995, 1037, 1525, 1891, 2635, 3383, 4975, 5185, 6169, 9455, 12139, 13175, 16915, 25925, 30845, 32147, 47275, 60695, 84575, 104873, 154225, 160735, 206363, 303475, 376309, 524365, 803675, 1031815, 1881545, 2621825, 5159075, 6397253, 9407725, 31986265, 159931325]

約数ペア:

[(1, 159931325), (5, 31986265), (17, 9407725), (25, 6397253), (31, 5159075), (61, 2621825), (85, 1881545), (155, 1031815), (199, 803675), (305, 524365), (425, 376309), (527, 303475), (775, 206363), (995, 160735), (1037, 154225), (1525, 104873), (1891, 84575), (2635, 60695), (3383, 47275), (4975, 32147), (5185, 30845), (6169, 25925), (9455, 16915), (12139, 13175)]