1638216

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 4521660

約数和(自身を除く): 2883444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 373, 488, 549, 732, 746, 1098, 1119, 1464, 1492, 2196, 2238, 2984, 3357, 4392, 4476, 6714, 8952, 13428, 22753, 26856, 45506, 68259, 91012, 136518, 182024, 204777, 273036, 409554, 546072, 819108, 1638216]

約数ペア:

[(1, 1638216), (2, 819108), (3, 546072), (4, 409554), (6, 273036), (8, 204777), (9, 182024), (12, 136518), (18, 91012), (24, 68259), (36, 45506), (61, 26856), (72, 22753), (122, 13428), (183, 8952), (244, 6714), (366, 4476), (373, 4392), (488, 3357), (549, 2984), (732, 2238), (746, 2196), (1098, 1492), (1119, 1464)]