28839512

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 59489640

約数和(自身を除く): 30650128

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 169, 257, 332, 338, 514, 664, 676, 1028, 1079, 1352, 2056, 2158, 3341, 4316, 6682, 8632, 13364, 14027, 21331, 26728, 28054, 42662, 43433, 56108, 85324, 86866, 112216, 170648, 173732, 277303, 347464, 554606, 1109212, 2218424, 3604939, 7209878, 14419756, 28839512]

約数ペア:

[(1, 28839512), (2, 14419756), (4, 7209878), (8, 3604939), (13, 2218424), (26, 1109212), (52, 554606), (83, 347464), (104, 277303), (166, 173732), (169, 170648), (257, 112216), (332, 86866), (338, 85324), (514, 56108), (664, 43433), (676, 42662), (1028, 28054), (1079, 26728), (1352, 21331), (2056, 14027), (2158, 13364), (3341, 8632), (4316, 6682)]