87804206

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 165957120

約数和(自身を除く): 78152914

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 83, 97, 133, 166, 194, 266, 287, 574, 581, 679, 779, 1162, 1358, 1558, 1577, 1843, 3154, 3403, 3686, 3977, 5453, 6806, 7954, 8051, 10906, 11039, 12901, 16102, 22078, 23821, 25802, 27839, 47642, 55678, 56357, 64657, 75563, 112714, 129314, 151126, 152969, 305938, 330091, 452599, 528941, 660182, 905198, 1057882, 1070783, 2141566, 2310637, 4621274, 6271729, 12543458, 43902103, 87804206]

約数ペア:

[(1, 87804206), (2, 43902103), (7, 12543458), (14, 6271729), (19, 4621274), (38, 2310637), (41, 2141566), (82, 1070783), (83, 1057882), (97, 905198), (133, 660182), (166, 528941), (194, 452599), (266, 330091), (287, 305938), (574, 152969), (581, 151126), (679, 129314), (779, 112714), (1162, 75563), (1358, 64657), (1558, 56357), (1577, 55678), (1843, 47642), (3154, 27839), (3403, 25802), (3686, 23821), (3977, 22078), (5453, 16102), (6806, 12901), (7954, 11039), (8051, 10906)]