78516516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 206875648

約数和(自身を除く): 128359132

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 61, 74, 78, 111, 122, 148, 156, 183, 222, 223, 244, 366, 444, 446, 481, 669, 732, 793, 892, 962, 1338, 1443, 1586, 1924, 2257, 2379, 2676, 2886, 2899, 3172, 4514, 4758, 5772, 5798, 6771, 8251, 8697, 9028, 9516, 11596, 13542, 13603, 16502, 17394, 24753, 27084, 27206, 29341, 33004, 34788, 40809, 49506, 54412, 58682, 81618, 88023, 99012, 107263, 117364, 163236, 176046, 176839, 214526, 321789, 352092, 353678, 429052, 503311, 530517, 643578, 707356, 1006622, 1061034, 1287156, 1509933, 2013244, 2122068, 3019866, 6039732, 6543043, 13086086, 19629129, 26172172, 39258258, 78516516]

約数ペア:

[(1, 78516516), (2, 39258258), (3, 26172172), (4, 19629129), (6, 13086086), (12, 6543043), (13, 6039732), (26, 3019866), (37, 2122068), (39, 2013244), (52, 1509933), (61, 1287156), (74, 1061034), (78, 1006622), (111, 707356), (122, 643578), (148, 530517), (156, 503311), (183, 429052), (222, 353678), (223, 352092), (244, 321789), (366, 214526), (444, 176839), (446, 176046), (481, 163236), (669, 117364), (732, 107263), (793, 99012), (892, 88023), (962, 81618), (1338, 58682), (1443, 54412), (1586, 49506), (1924, 40809), (2257, 34788), (2379, 33004), (2676, 29341), (2886, 27206), (2899, 27084), (3172, 24753), (4514, 17394), (4758, 16502), (5772, 13603), (5798, 13542), (6771, 11596), (8251, 9516), (8697, 9028)]