661848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 1900800

約数和(自身を除く): 1238952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 66, 69, 88, 92, 109, 132, 138, 184, 218, 253, 264, 276, 327, 436, 506, 552, 654, 759, 872, 1012, 1199, 1308, 1518, 2024, 2398, 2507, 2616, 3036, 3597, 4796, 5014, 6072, 7194, 7521, 9592, 10028, 14388, 15042, 20056, 27577, 28776, 30084, 55154, 60168, 82731, 110308, 165462, 220616, 330924, 661848]

約数ペア:

[(1, 661848), (2, 330924), (3, 220616), (4, 165462), (6, 110308), (8, 82731), (11, 60168), (12, 55154), (22, 30084), (23, 28776), (24, 27577), (33, 20056), (44, 15042), (46, 14388), (66, 10028), (69, 9592), (88, 7521), (92, 7194), (109, 6072), (132, 5014), (138, 4796), (184, 3597), (218, 3036), (253, 2616), (264, 2507), (276, 2398), (327, 2024), (436, 1518), (506, 1308), (552, 1199), (654, 1012), (759, 872)]