26407264

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 59489640

約数和(自身を除く): 33082376

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 257, 304, 338, 416, 494, 514, 608, 676, 988, 1028, 1352, 1976, 2056, 2704, 3211, 3341, 3952, 4112, 4883, 5408, 6422, 6682, 7904, 8224, 9766, 12844, 13364, 19532, 25688, 26728, 39064, 43433, 51376, 53456, 63479, 78128, 86866, 102752, 106912, 126958, 156256, 173732, 253916, 347464, 507832, 694928, 825227, 1015664, 1389856, 1650454, 2031328, 3300908, 6601816, 13203632, 26407264]

約数ペア:

[(1, 26407264), (2, 13203632), (4, 6601816), (8, 3300908), (13, 2031328), (16, 1650454), (19, 1389856), (26, 1015664), (32, 825227), (38, 694928), (52, 507832), (76, 347464), (104, 253916), (152, 173732), (169, 156256), (208, 126958), (247, 106912), (257, 102752), (304, 86866), (338, 78128), (416, 63479), (494, 53456), (514, 51376), (608, 43433), (676, 39064), (988, 26728), (1028, 25688), (1352, 19532), (1976, 13364), (2056, 12844), (2704, 9766), (3211, 8224), (3341, 7904), (3952, 6682), (4112, 6422), (4883, 5408)]