78287508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^2$

素因数の和:841

約数の個数: 54

約数和(自身を含む): 213638334

約数和(自身を除く): 135350826

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 409, 468, 818, 1227, 1636, 2454, 3681, 4908, 5317, 7362, 10634, 14724, 15951, 21268, 31902, 47853, 63804, 95706, 167281, 191412, 334562, 501843, 669124, 1003686, 1505529, 2007372, 2174653, 3011058, 4349306, 6022116, 6523959, 8698612, 13047918, 19571877, 26095836, 39143754, 78287508]

約数ペア:

[(1, 78287508), (2, 39143754), (3, 26095836), (4, 19571877), (6, 13047918), (9, 8698612), (12, 6523959), (13, 6022116), (18, 4349306), (26, 3011058), (36, 2174653), (39, 2007372), (52, 1505529), (78, 1003686), (117, 669124), (156, 501843), (234, 334562), (409, 191412), (468, 167281), (818, 95706), (1227, 63804), (1636, 47853), (2454, 31902), (3681, 21268), (4908, 15951), (5317, 14724), (7362, 10634)]