68453968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 155240064

約数和(自身を除く): 86786096

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 137, 167, 176, 187, 272, 274, 334, 374, 548, 668, 748, 1096, 1336, 1496, 1507, 1837, 2192, 2329, 2672, 2839, 2992, 3014, 3674, 4658, 5678, 6028, 7348, 9316, 11356, 12056, 14696, 18632, 22712, 22879, 24112, 25619, 29392, 31229, 37264, 45424, 45758, 51238, 62458, 91516, 102476, 124916, 183032, 204952, 249832, 251669, 366064, 388943, 409904, 499664, 503338, 777886, 1006676, 1555772, 2013352, 3111544, 4026704, 4278373, 6223088, 8556746, 17113492, 34226984, 68453968]

約数ペア:

[(1, 68453968), (2, 34226984), (4, 17113492), (8, 8556746), (11, 6223088), (16, 4278373), (17, 4026704), (22, 3111544), (34, 2013352), (44, 1555772), (68, 1006676), (88, 777886), (136, 503338), (137, 499664), (167, 409904), (176, 388943), (187, 366064), (272, 251669), (274, 249832), (334, 204952), (374, 183032), (548, 124916), (668, 102476), (748, 91516), (1096, 62458), (1336, 51238), (1496, 45758), (1507, 45424), (1837, 37264), (2192, 31229), (2329, 29392), (2672, 25619), (2839, 24112), (2992, 22879), (3014, 22712), (3674, 18632), (4658, 14696), (5678, 12056), (6028, 11356), (7348, 9316)]