81975088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 183738240

約数和(自身を除く): 101763152

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 97, 104, 136, 194, 208, 221, 239, 272, 388, 442, 478, 776, 884, 956, 1261, 1552, 1649, 1768, 1912, 2522, 3107, 3298, 3536, 3824, 4063, 5044, 6214, 6596, 8126, 10088, 12428, 13192, 16252, 20176, 21437, 23183, 24856, 26384, 32504, 42874, 46366, 49712, 52819, 65008, 85748, 92732, 105638, 171496, 185464, 211276, 301379, 342992, 370928, 394111, 422552, 602758, 788222, 845104, 1205516, 1576444, 2411032, 3152888, 4822064, 5123443, 6305776, 10246886, 20493772, 40987544, 81975088]

約数ペア:

[(1, 81975088), (2, 40987544), (4, 20493772), (8, 10246886), (13, 6305776), (16, 5123443), (17, 4822064), (26, 3152888), (34, 2411032), (52, 1576444), (68, 1205516), (97, 845104), (104, 788222), (136, 602758), (194, 422552), (208, 394111), (221, 370928), (239, 342992), (272, 301379), (388, 211276), (442, 185464), (478, 171496), (776, 105638), (884, 92732), (956, 85748), (1261, 65008), (1552, 52819), (1649, 49712), (1768, 46366), (1912, 42874), (2522, 32504), (3107, 26384), (3298, 24856), (3536, 23183), (3824, 21437), (4063, 20176), (5044, 16252), (6214, 13192), (6596, 12428), (8126, 10088)]