154974488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2621}}^1$

素因数の和:3035

約数の個数: 32

約数和(自身を含む): 306774000

約数和(自身を除く): 151799512

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 389, 778, 1556, 2621, 3112, 5242, 7391, 10484, 14782, 20968, 29564, 49799, 59128, 99598, 199196, 398392, 1019569, 2039138, 4078276, 8156552, 19371811, 38743622, 77487244, 154974488]

約数ペア:

[(1, 154974488), (2, 77487244), (4, 38743622), (8, 19371811), (19, 8156552), (38, 4078276), (76, 2039138), (152, 1019569), (389, 398392), (778, 199196), (1556, 99598), (2621, 59128), (3112, 49799), (5242, 29564), (7391, 20968), (10484, 14782)]