201965790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517861}}^1$

素因数の和:517884

約数の個数: 32

約数和(自身を含む): 522004896

約数和(自身を除く): 320039106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517861, 1035722, 1553583, 2589305, 3107166, 5178610, 6732193, 7767915, 13464386, 15535830, 20196579, 33660965, 40393158, 67321930, 100982895, 201965790]

約数ペア:

[(1, 201965790), (2, 100982895), (3, 67321930), (5, 40393158), (6, 33660965), (10, 20196579), (13, 15535830), (15, 13464386), (26, 7767915), (30, 6732193), (39, 5178610), (65, 3107166), (78, 2589305), (130, 1553583), (195, 1035722), (390, 517861)]