217288728

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{131213}}^1$

素因数の和:131248

約数の個数: 48

約数和(自身を含む): 614081520

約数和(自身を除く): 396792792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 131213, 262426, 393639, 524852, 787278, 1049704, 1180917, 1574556, 2361834, 3017899, 3149112, 4723668, 6035798, 9053697, 9447336, 12071596, 18107394, 24143192, 27161091, 36214788, 54322182, 72429576, 108644364, 217288728]

約数ペア:

[(1, 217288728), (2, 108644364), (3, 72429576), (4, 54322182), (6, 36214788), (8, 27161091), (9, 24143192), (12, 18107394), (18, 12071596), (23, 9447336), (24, 9053697), (36, 6035798), (46, 4723668), (69, 3149112), (72, 3017899), (92, 2361834), (138, 1574556), (184, 1180917), (207, 1049704), (276, 787278), (414, 524852), (552, 393639), (828, 262426), (1656, 131213)]