207978628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 454745088

約数和(自身を除く): 246766460

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 37, 44, 52, 62, 74, 124, 143, 148, 286, 317, 341, 403, 407, 481, 572, 634, 682, 806, 814, 962, 1147, 1268, 1364, 1612, 1628, 1924, 2294, 3487, 4121, 4433, 4588, 5291, 6974, 8242, 8866, 9827, 10582, 11729, 12617, 13948, 14911, 16484, 17732, 19654, 21164, 23458, 25234, 29822, 39308, 45331, 46916, 50468, 59644, 90662, 108097, 127751, 129019, 152477, 164021, 181324, 216194, 255502, 258038, 304954, 328042, 363599, 432388, 511004, 516076, 609908, 656084, 727198, 1405261, 1454396, 1677247, 2810522, 3354494, 3999589, 4726787, 5621044, 6708988, 7999178, 9453574, 15998356, 18907148, 51994657, 103989314, 207978628]

約数ペア:

[(1, 207978628), (2, 103989314), (4, 51994657), (11, 18907148), (13, 15998356), (22, 9453574), (26, 7999178), (31, 6708988), (37, 5621044), (44, 4726787), (52, 3999589), (62, 3354494), (74, 2810522), (124, 1677247), (143, 1454396), (148, 1405261), (286, 727198), (317, 656084), (341, 609908), (403, 516076), (407, 511004), (481, 432388), (572, 363599), (634, 328042), (682, 304954), (806, 258038), (814, 255502), (962, 216194), (1147, 181324), (1268, 164021), (1364, 152477), (1612, 129019), (1628, 127751), (1924, 108097), (2294, 90662), (3487, 59644), (4121, 50468), (4433, 46916), (4588, 45331), (5291, 39308), (6974, 29822), (8242, 25234), (8866, 23458), (9827, 21164), (10582, 19654), (11729, 17732), (12617, 16484), (13948, 14911)]