199945548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1877}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 553709520

約数和(自身を除く): 353763972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 269, 396, 538, 807, 1076, 1614, 1877, 2421, 2959, 3228, 3754, 4842, 5631, 5918, 7508, 8877, 9684, 11262, 11836, 16893, 17754, 20647, 22524, 26631, 33786, 35508, 41294, 53262, 61941, 67572, 82588, 106524, 123882, 185823, 247764, 371646, 504913, 743292, 1009826, 1514739, 2019652, 3029478, 4544217, 5554043, 6058956, 9088434, 11108086, 16662129, 18176868, 22216172, 33324258, 49986387, 66648516, 99972774, 199945548]

約数ペア:

[(1, 199945548), (2, 99972774), (3, 66648516), (4, 49986387), (6, 33324258), (9, 22216172), (11, 18176868), (12, 16662129), (18, 11108086), (22, 9088434), (33, 6058956), (36, 5554043), (44, 4544217), (66, 3029478), (99, 2019652), (132, 1514739), (198, 1009826), (269, 743292), (396, 504913), (538, 371646), (807, 247764), (1076, 185823), (1614, 123882), (1877, 106524), (2421, 82588), (2959, 67572), (3228, 61941), (3754, 53262), (4842, 41294), (5631, 35508), (5918, 33786), (7508, 26631), (8877, 22524), (9684, 20647), (11262, 17754), (11836, 16893)]