991236

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2528064

約数和(自身を除く): 1536828

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 113, 129, 172, 204, 226, 258, 339, 452, 516, 678, 731, 1356, 1462, 1921, 2193, 2924, 3842, 4386, 4859, 5763, 7684, 8772, 9718, 11526, 14577, 19436, 23052, 29154, 58308, 82603, 165206, 247809, 330412, 495618, 991236]

約数ペア:

[(1, 991236), (2, 495618), (3, 330412), (4, 247809), (6, 165206), (12, 82603), (17, 58308), (34, 29154), (43, 23052), (51, 19436), (68, 14577), (86, 11526), (102, 9718), (113, 8772), (129, 7684), (172, 5763), (204, 4859), (226, 4386), (258, 3842), (339, 2924), (452, 2193), (516, 1921), (678, 1462), (731, 1356)]