72145514

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 126427392

約数和(自身を除く): 54281878

約数列:

[1, 2, 7, 14, 71, 142, 181, 362, 401, 497, 802, 994, 1267, 2534, 2807, 5614, 12851, 25702, 28471, 56942, 72581, 89957, 145162, 179914, 199297, 398594, 508067, 1016134, 5153251, 10306502, 36072757, 72145514]

約数ペア:

[(1, 72145514), (2, 36072757), (7, 10306502), (14, 5153251), (71, 1016134), (142, 508067), (181, 398594), (362, 199297), (401, 179914), (497, 145162), (802, 89957), (994, 72581), (1267, 56942), (2534, 28471), (2807, 25702), (5614, 12851)]