131274832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20359}}^1$

素因数の和:20411

約数の個数: 40

約数和(自身を含む): 282759680

約数和(自身を除く): 151484848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20359, 40718, 81436, 162872, 264667, 325744, 529334, 631129, 1058668, 1262258, 2117336, 2524516, 4234672, 5049032, 8204677, 10098064, 16409354, 32818708, 65637416, 131274832]

約数ペア:

[(1, 131274832), (2, 65637416), (4, 32818708), (8, 16409354), (13, 10098064), (16, 8204677), (26, 5049032), (31, 4234672), (52, 2524516), (62, 2117336), (104, 1262258), (124, 1058668), (208, 631129), (248, 529334), (403, 325744), (496, 264667), (806, 162872), (1612, 81436), (3224, 40718), (6448, 20359)]