287688688

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2477}}^1$

素因数の和:2570

約数の個数: 80

約数和(自身を含む): 685831104

約数和(自身を除く): 398142416

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 68, 112, 119, 122, 136, 238, 244, 272, 427, 476, 488, 854, 952, 976, 1037, 1708, 1904, 2074, 2477, 3416, 4148, 4954, 6832, 7259, 8296, 9908, 14518, 16592, 17339, 19816, 29036, 34678, 39632, 42109, 58072, 69356, 84218, 116144, 138712, 151097, 168436, 277424, 294763, 302194, 336872, 589526, 604388, 673744, 1057679, 1179052, 1208776, 2115358, 2358104, 2417552, 2568649, 4230716, 4716208, 5137298, 8461432, 10274596, 16922864, 17980543, 20549192, 35961086, 41098384, 71922172, 143844344, 287688688]

約数ペア:

[(1, 287688688), (2, 143844344), (4, 71922172), (7, 41098384), (8, 35961086), (14, 20549192), (16, 17980543), (17, 16922864), (28, 10274596), (34, 8461432), (56, 5137298), (61, 4716208), (68, 4230716), (112, 2568649), (119, 2417552), (122, 2358104), (136, 2115358), (238, 1208776), (244, 1179052), (272, 1057679), (427, 673744), (476, 604388), (488, 589526), (854, 336872), (952, 302194), (976, 294763), (1037, 277424), (1708, 168436), (1904, 151097), (2074, 138712), (2477, 116144), (3416, 84218), (4148, 69356), (4954, 58072), (6832, 42109), (7259, 39632), (8296, 34678), (9908, 29036), (14518, 19816), (16592, 17339)]