663279968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2780

約数の個数: 96

約数和(自身を含む): 1528611840

約数和(自身を除く): 865331872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 988, 992, 1178, 1612, 1976, 2356, 2707, 3224, 3952, 4712, 5414, 6448, 7657, 7904, 9424, 10828, 12896, 15314, 18848, 21656, 30628, 35191, 43312, 51433, 61256, 70382, 83917, 86624, 102866, 122512, 140764, 167834, 205732, 245024, 281528, 335668, 411464, 563056, 668629, 671336, 822928, 1090921, 1126112, 1337258, 1342672, 1594423, 1645856, 2181842, 2674516, 2685344, 3188846, 4363684, 5349032, 6377692, 8727368, 10698064, 12755384, 17454736, 20727499, 21396128, 25510768, 34909472, 41454998, 51021536, 82909996, 165819992, 331639984, 663279968]

約数ペア:

[(1, 663279968), (2, 331639984), (4, 165819992), (8, 82909996), (13, 51021536), (16, 41454998), (19, 34909472), (26, 25510768), (31, 21396128), (32, 20727499), (38, 17454736), (52, 12755384), (62, 10698064), (76, 8727368), (104, 6377692), (124, 5349032), (152, 4363684), (208, 3188846), (247, 2685344), (248, 2674516), (304, 2181842), (403, 1645856), (416, 1594423), (494, 1342672), (496, 1337258), (589, 1126112), (608, 1090921), (806, 822928), (988, 671336), (992, 668629), (1178, 563056), (1612, 411464), (1976, 335668), (2356, 281528), (2707, 245024), (3224, 205732), (3952, 167834), (4712, 140764), (5414, 122512), (6448, 102866), (7657, 86624), (7904, 83917), (9424, 70382), (10828, 61256), (12896, 51433), (15314, 43312), (18848, 35191), (21656, 30628)]