81273816

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2857

約数の個数: 96

約数和(自身を含む): 244782720

約数和(自身を除く): 163508904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 2801, 3224, 3627, 4836, 5602, 7254, 8403, 9672, 11204, 14508, 16806, 22408, 25209, 29016, 33612, 36413, 50418, 67224, 72826, 86831, 100836, 109239, 145652, 173662, 201672, 218478, 260493, 291304, 327717, 347324, 436956, 520986, 655434, 694648, 781479, 873912, 1041972, 1128803, 1310868, 1562958, 2083944, 2257606, 2621736, 3125916, 3386409, 4515212, 6251832, 6772818, 9030424, 10159227, 13545636, 20318454, 27091272, 40636908, 81273816]

約数ペア:

[(1, 81273816), (2, 40636908), (3, 27091272), (4, 20318454), (6, 13545636), (8, 10159227), (9, 9030424), (12, 6772818), (13, 6251832), (18, 4515212), (24, 3386409), (26, 3125916), (31, 2621736), (36, 2257606), (39, 2083944), (52, 1562958), (62, 1310868), (72, 1128803), (78, 1041972), (93, 873912), (104, 781479), (117, 694648), (124, 655434), (156, 520986), (186, 436956), (234, 347324), (248, 327717), (279, 291304), (312, 260493), (372, 218478), (403, 201672), (468, 173662), (558, 145652), (744, 109239), (806, 100836), (936, 86831), (1116, 72826), (1209, 67224), (1612, 50418), (2232, 36413), (2418, 33612), (2801, 29016), (3224, 25209), (3627, 22408), (4836, 16806), (5602, 14508), (7254, 11204), (8403, 9672)]