663972010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{76231}}^1$

素因数の和:76318

約数の個数: 32

約数和(自身を含む): 1306311552

約数和(自身を除く): 642339542

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 76231, 152462, 381155, 762310, 991003, 1982006, 4955015, 5107477, 9910030, 10214954, 25537385, 51074770, 66397201, 132794402, 331986005, 663972010]

約数ペア:

[(1, 663972010), (2, 331986005), (5, 132794402), (10, 66397201), (13, 51074770), (26, 25537385), (65, 10214954), (67, 9910030), (130, 5107477), (134, 4955015), (335, 1982006), (670, 991003), (871, 762310), (1742, 381155), (4355, 152462), (8710, 76231)]