488973784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{911}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 996369120

約数和(自身を除く): 507395336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 397, 676, 794, 911, 1352, 1588, 1822, 3176, 3644, 5161, 7288, 10322, 11843, 20644, 23686, 41288, 47372, 67093, 94744, 134186, 153959, 268372, 307918, 361667, 536744, 615836, 723334, 1231672, 1446668, 2893336, 4701671, 9403342, 18806684, 37613368, 61121723, 122243446, 244486892, 488973784]

約数ペア:

[(1, 488973784), (2, 244486892), (4, 122243446), (8, 61121723), (13, 37613368), (26, 18806684), (52, 9403342), (104, 4701671), (169, 2893336), (338, 1446668), (397, 1231672), (676, 723334), (794, 615836), (911, 536744), (1352, 361667), (1588, 307918), (1822, 268372), (3176, 153959), (3644, 134186), (5161, 94744), (7288, 67093), (10322, 47372), (11843, 41288), (20644, 23686)]