215998956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 563734080

約数和(自身を除く): 347735124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 79, 106, 158, 159, 212, 237, 316, 318, 474, 477, 636, 711, 948, 954, 1422, 1433, 1908, 2844, 2866, 4187, 4299, 5732, 8374, 8598, 12561, 12897, 16748, 17196, 25122, 25794, 37683, 50244, 51588, 75366, 75949, 113207, 150732, 151898, 226414, 227847, 303796, 339621, 452828, 455694, 679242, 683541, 911388, 1018863, 1358484, 1367082, 2037726, 2734164, 4075452, 5999971, 11999942, 17999913, 23999884, 35999826, 53999739, 71999652, 107999478, 215998956]

約数ペア:

[(1, 215998956), (2, 107999478), (3, 71999652), (4, 53999739), (6, 35999826), (9, 23999884), (12, 17999913), (18, 11999942), (36, 5999971), (53, 4075452), (79, 2734164), (106, 2037726), (158, 1367082), (159, 1358484), (212, 1018863), (237, 911388), (316, 683541), (318, 679242), (474, 455694), (477, 452828), (636, 339621), (711, 303796), (948, 227847), (954, 226414), (1422, 151898), (1433, 150732), (1908, 113207), (2844, 75949), (2866, 75366), (4187, 51588), (4299, 50244), (5732, 37683), (8374, 25794), (8598, 25122), (12561, 17196), (12897, 16748)]