71881712

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 177488640

約数和(自身を除く): 105606928

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 646, 952, 1064, 1292, 1904, 1987, 2128, 2261, 2584, 3974, 4522, 5168, 7948, 9044, 13909, 15896, 18088, 27818, 31792, 33779, 36176, 37753, 55636, 67558, 75506, 111272, 135116, 151012, 222544, 236453, 264271, 270232, 302024, 472906, 528542, 540464, 604048, 641801, 945812, 1057084, 1283602, 1891624, 2114168, 2567204, 3783248, 4228336, 4492607, 5134408, 8985214, 10268816, 17970428, 35940856, 71881712]

約数ペア:

[(1, 71881712), (2, 35940856), (4, 17970428), (7, 10268816), (8, 8985214), (14, 5134408), (16, 4492607), (17, 4228336), (19, 3783248), (28, 2567204), (34, 2114168), (38, 1891624), (56, 1283602), (68, 1057084), (76, 945812), (112, 641801), (119, 604048), (133, 540464), (136, 528542), (152, 472906), (238, 302024), (266, 270232), (272, 264271), (304, 236453), (323, 222544), (476, 151012), (532, 135116), (646, 111272), (952, 75506), (1064, 67558), (1292, 55636), (1904, 37753), (1987, 36176), (2128, 33779), (2261, 31792), (2584, 27818), (3974, 18088), (4522, 15896), (5168, 13909), (7948, 9044)]