331639984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 80

約数和(自身を含む): 752174080

約数和(自身を除く): 420534096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2356, 2707, 3224, 3952, 4712, 5414, 6448, 7657, 9424, 10828, 15314, 21656, 30628, 35191, 43312, 51433, 61256, 70382, 83917, 102866, 122512, 140764, 167834, 205732, 281528, 335668, 411464, 563056, 668629, 671336, 822928, 1090921, 1337258, 1342672, 1594423, 2181842, 2674516, 3188846, 4363684, 5349032, 6377692, 8727368, 10698064, 12755384, 17454736, 20727499, 25510768, 41454998, 82909996, 165819992, 331639984]

約数ペア:

[(1, 331639984), (2, 165819992), (4, 82909996), (8, 41454998), (13, 25510768), (16, 20727499), (19, 17454736), (26, 12755384), (31, 10698064), (38, 8727368), (52, 6377692), (62, 5349032), (76, 4363684), (104, 3188846), (124, 2674516), (152, 2181842), (208, 1594423), (247, 1342672), (248, 1337258), (304, 1090921), (403, 822928), (494, 671336), (496, 668629), (589, 563056), (806, 411464), (988, 335668), (1178, 281528), (1612, 205732), (1976, 167834), (2356, 140764), (2707, 122512), (3224, 102866), (3952, 83917), (4712, 70382), (5414, 61256), (6448, 51433), (7657, 43312), (9424, 35191), (10828, 30628), (15314, 21656)]