209978316

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 556168704

約数和(自身を除く): 346190388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 367, 414, 691, 734, 828, 1101, 1382, 1468, 2073, 2202, 2764, 3303, 4146, 4404, 6219, 6606, 8292, 8441, 12438, 13212, 15893, 16882, 24876, 25323, 31786, 33764, 47679, 50646, 63572, 75969, 95358, 101292, 143037, 151938, 190716, 253597, 286074, 303876, 507194, 572148, 760791, 1014388, 1521582, 2282373, 3043164, 4564746, 5832731, 9129492, 11665462, 17498193, 23330924, 34996386, 52494579, 69992772, 104989158, 209978316]

約数ペア:

[(1, 209978316), (2, 104989158), (3, 69992772), (4, 52494579), (6, 34996386), (9, 23330924), (12, 17498193), (18, 11665462), (23, 9129492), (36, 5832731), (46, 4564746), (69, 3043164), (92, 2282373), (138, 1521582), (207, 1014388), (276, 760791), (367, 572148), (414, 507194), (691, 303876), (734, 286074), (828, 253597), (1101, 190716), (1382, 151938), (1468, 143037), (2073, 101292), (2202, 95358), (2764, 75969), (3303, 63572), (4146, 50646), (4404, 47679), (6219, 33764), (6606, 31786), (8292, 25323), (8441, 24876), (12438, 16882), (13212, 15893)]