263796988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5449}}^1$

素因数の和:5499

約数の個数: 72

約数和(自身を含む): 608874000

約数和(自身を除く): 345077012

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 5449, 6916, 10898, 12103, 21796, 24206, 38143, 48412, 70837, 76286, 103531, 141674, 152572, 207062, 267001, 283348, 414124, 495859, 534002, 724717, 991718, 1068004, 1345903, 1449434, 1983436, 2691806, 2898868, 3471013, 5073019, 5383612, 6942026, 9421321, 10146038, 13884052, 18842642, 20292076, 37685284, 65949247, 131898494, 263796988]

約数ペア:

[(1, 263796988), (2, 131898494), (4, 65949247), (7, 37685284), (13, 20292076), (14, 18842642), (19, 13884052), (26, 10146038), (28, 9421321), (38, 6942026), (49, 5383612), (52, 5073019), (76, 3471013), (91, 2898868), (98, 2691806), (133, 1983436), (182, 1449434), (196, 1345903), (247, 1068004), (266, 991718), (364, 724717), (494, 534002), (532, 495859), (637, 414124), (931, 283348), (988, 267001), (1274, 207062), (1729, 152572), (1862, 141674), (2548, 103531), (3458, 76286), (3724, 70837), (5449, 48412), (6916, 38143), (10898, 24206), (12103, 21796)]