129970256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4561}}^1$

素因数の和:4719

約数の個数: 40

約数和(自身を含む): 273227304

約数和(自身を除く): 143257048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 3562, 4561, 7124, 9122, 14248, 18244, 28496, 36488, 59293, 72976, 118586, 237172, 474344, 624857, 948688, 1249714, 2499428, 4998856, 8123141, 9997712, 16246282, 32492564, 64985128, 129970256]

約数ペア:

[(1, 129970256), (2, 64985128), (4, 32492564), (8, 16246282), (13, 9997712), (16, 8123141), (26, 4998856), (52, 2499428), (104, 1249714), (137, 948688), (208, 624857), (274, 474344), (548, 237172), (1096, 118586), (1781, 72976), (2192, 59293), (3562, 36488), (4561, 28496), (7124, 18244), (9122, 14248)]