1256368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1422032

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 149, 248, 272, 298, 496, 527, 596, 1054, 1192, 2108, 2384, 2533, 4216, 4619, 5066, 8432, 9238, 10132, 18476, 20264, 36952, 40528, 73904, 78523, 157046, 314092, 628184, 1256368]

約数ペア:

[(1, 1256368), (2, 628184), (4, 314092), (8, 157046), (16, 78523), (17, 73904), (31, 40528), (34, 36952), (62, 20264), (68, 18476), (124, 10132), (136, 9238), (149, 8432), (248, 5066), (272, 4619), (298, 4216), (496, 2533), (527, 2384), (596, 2108), (1054, 1192)]