66878875

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 99234720

約数和(自身を除く): 32355845

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 179, 245, 305, 427, 875, 895, 1225, 1253, 1525, 2135, 2989, 4475, 6125, 6265, 7625, 8771, 10675, 10919, 14945, 22375, 31325, 43855, 53375, 54595, 74725, 76433, 156625, 219275, 272975, 373625, 382165, 535031, 1096375, 1364875, 1910825, 2675155, 9554125, 13375775, 66878875]

約数ペア:

[(1, 66878875), (5, 13375775), (7, 9554125), (25, 2675155), (35, 1910825), (49, 1364875), (61, 1096375), (125, 535031), (175, 382165), (179, 373625), (245, 272975), (305, 219275), (427, 156625), (875, 76433), (895, 74725), (1225, 54595), (1253, 53375), (1525, 43855), (2135, 31325), (2989, 22375), (4475, 14945), (6125, 10919), (6265, 10675), (7625, 8771)]