12781548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 35957376

約数和(自身を除く): 23175828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 881, 1116, 1209, 1612, 1762, 2418, 2643, 3524, 3627, 4836, 5286, 7254, 7929, 10572, 11453, 14508, 15858, 22906, 27311, 31716, 34359, 45812, 54622, 68718, 81933, 103077, 109244, 137436, 163866, 206154, 245799, 327732, 355043, 412308, 491598, 710086, 983196, 1065129, 1420172, 2130258, 3195387, 4260516, 6390774, 12781548]

約数ペア:

[(1, 12781548), (2, 6390774), (3, 4260516), (4, 3195387), (6, 2130258), (9, 1420172), (12, 1065129), (13, 983196), (18, 710086), (26, 491598), (31, 412308), (36, 355043), (39, 327732), (52, 245799), (62, 206154), (78, 163866), (93, 137436), (117, 109244), (124, 103077), (156, 81933), (186, 68718), (234, 54622), (279, 45812), (372, 34359), (403, 31716), (468, 27311), (558, 22906), (806, 15858), (881, 14508), (1116, 11453), (1209, 10572), (1612, 7929), (1762, 7254), (2418, 5286), (2643, 4836), (3524, 3627)]