686244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 1778112

約数和(自身を除く): 1091868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 83, 106, 156, 159, 166, 212, 249, 318, 332, 498, 636, 689, 996, 1079, 1378, 2067, 2158, 2756, 3237, 4134, 4316, 4399, 6474, 8268, 8798, 12948, 13197, 17596, 26394, 52788, 57187, 114374, 171561, 228748, 343122, 686244]

約数ペア:

[(1, 686244), (2, 343122), (3, 228748), (4, 171561), (6, 114374), (12, 57187), (13, 52788), (26, 26394), (39, 17596), (52, 13197), (53, 12948), (78, 8798), (83, 8268), (106, 6474), (156, 4399), (159, 4316), (166, 4134), (212, 3237), (249, 2756), (318, 2158), (332, 2067), (498, 1378), (636, 1079), (689, 996)]