81317936

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42709}}^1$

素因数の和:42741

約数の個数: 40

約数和(自身を含む): 190657440

約数和(自身を除く): 109339504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 42709, 85418, 170836, 298963, 341672, 597926, 683344, 726053, 1195852, 1452106, 2391704, 2904212, 4783408, 5082371, 5808424, 10164742, 11616848, 20329484, 40658968, 81317936]

約数ペア:

[(1, 81317936), (2, 40658968), (4, 20329484), (7, 11616848), (8, 10164742), (14, 5808424), (16, 5082371), (17, 4783408), (28, 2904212), (34, 2391704), (56, 1452106), (68, 1195852), (112, 726053), (119, 683344), (136, 597926), (238, 341672), (272, 298963), (476, 170836), (952, 85418), (1904, 42709)]