311939352

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:661

約数の個数: 96

約数和(自身を含む): 864864000

約数和(自身を除く): 552924648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 139, 142, 213, 278, 284, 417, 426, 439, 556, 568, 639, 834, 852, 878, 1112, 1251, 1278, 1317, 1668, 1704, 1756, 2502, 2556, 2634, 3336, 3512, 3951, 5004, 5112, 5268, 7902, 9869, 10008, 10536, 15804, 19738, 29607, 31169, 31608, 39476, 59214, 61021, 62338, 78952, 88821, 93507, 118428, 122042, 124676, 177642, 183063, 187014, 236856, 244084, 249352, 280521, 355284, 366126, 374028, 488168, 549189, 561042, 710568, 732252, 748056, 1098378, 1122084, 1464504, 2196756, 2244168, 4332491, 4393512, 8664982, 12997473, 17329964, 25994946, 34659928, 38992419, 51989892, 77984838, 103979784, 155969676, 311939352]

約数ペア:

[(1, 311939352), (2, 155969676), (3, 103979784), (4, 77984838), (6, 51989892), (8, 38992419), (9, 34659928), (12, 25994946), (18, 17329964), (24, 12997473), (36, 8664982), (71, 4393512), (72, 4332491), (139, 2244168), (142, 2196756), (213, 1464504), (278, 1122084), (284, 1098378), (417, 748056), (426, 732252), (439, 710568), (556, 561042), (568, 549189), (639, 488168), (834, 374028), (852, 366126), (878, 355284), (1112, 280521), (1251, 249352), (1278, 244084), (1317, 236856), (1668, 187014), (1704, 183063), (1756, 177642), (2502, 124676), (2556, 122042), (2634, 118428), (3336, 93507), (3512, 88821), (3951, 78952), (5004, 62338), (5112, 61021), (5268, 59214), (7902, 39476), (9869, 31608), (10008, 31169), (10536, 29607), (15804, 19738)]