28631330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 64447488

約数和(自身を除く): 35816158

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 431, 455, 511, 730, 862, 910, 949, 1022, 1898, 2155, 2555, 3017, 4310, 4745, 5110, 5603, 6034, 6643, 9490, 11206, 13286, 15085, 28015, 30170, 31463, 33215, 39221, 56030, 62926, 66430, 78442, 157315, 196105, 220241, 314630, 392210, 409019, 440482, 818038, 1101205, 2045095, 2202410, 2863133, 4090190, 5726266, 14315665, 28631330]

約数ペア:

[(1, 28631330), (2, 14315665), (5, 5726266), (7, 4090190), (10, 2863133), (13, 2202410), (14, 2045095), (26, 1101205), (35, 818038), (65, 440482), (70, 409019), (73, 392210), (91, 314630), (130, 220241), (146, 196105), (182, 157315), (365, 78442), (431, 66430), (455, 62926), (511, 56030), (730, 39221), (862, 33215), (910, 31463), (949, 30170), (1022, 28015), (1898, 15085), (2155, 13286), (2555, 11206), (3017, 9490), (4310, 6643), (4745, 6034), (5110, 5603)]