256132688

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 584962560

約数和(自身を除く): 328829872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 83, 112, 118, 166, 236, 332, 413, 467, 472, 581, 664, 826, 934, 944, 1162, 1328, 1652, 1868, 2324, 3269, 3304, 3736, 4648, 4897, 6538, 6608, 7472, 9296, 9794, 13076, 19588, 26152, 27553, 34279, 38761, 39176, 52304, 55106, 68558, 77522, 78352, 110212, 137116, 155044, 192871, 220424, 271327, 274232, 310088, 385742, 440848, 542654, 548464, 620176, 771484, 1085308, 1542968, 2170616, 2286899, 3085936, 4341232, 4573798, 9147596, 16008293, 18295192, 32016586, 36590384, 64033172, 128066344, 256132688]

約数ペア:

[(1, 256132688), (2, 128066344), (4, 64033172), (7, 36590384), (8, 32016586), (14, 18295192), (16, 16008293), (28, 9147596), (56, 4573798), (59, 4341232), (83, 3085936), (112, 2286899), (118, 2170616), (166, 1542968), (236, 1085308), (332, 771484), (413, 620176), (467, 548464), (472, 542654), (581, 440848), (664, 385742), (826, 310088), (934, 274232), (944, 271327), (1162, 220424), (1328, 192871), (1652, 155044), (1868, 137116), (2324, 110212), (3269, 78352), (3304, 77522), (3736, 68558), (4648, 55106), (4897, 52304), (6538, 39176), (6608, 38761), (7472, 34279), (9296, 27553), (9794, 26152), (13076, 19588)]