15721172690

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{65063}}^1$

素因数の和:65474

約数の個数: 32

約数和(自身を含む): 28772862336

約数和(自身を除く): 13051689646

約数列:

[1, 2, 5, 10, 73, 146, 331, 365, 662, 730, 1655, 3310, 24163, 48326, 65063, 120815, 130126, 241630, 325315, 650630, 4749599, 9499198, 21535853, 23747995, 43071706, 47495990, 107679265, 215358530, 1572117269, 3144234538, 7860586345, 15721172690]

約数ペア:

[(1, 15721172690), (2, 7860586345), (5, 3144234538), (10, 1572117269), (73, 215358530), (146, 107679265), (331, 47495990), (365, 43071706), (662, 23747995), (730, 21535853), (1655, 9499198), (3310, 4749599), (24163, 650630), (48326, 325315), (65063, 241630), (120815, 130126)]