311918646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 694374912

約数和(自身を除く): 382456266

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 113, 129, 226, 258, 339, 559, 678, 823, 1118, 1469, 1646, 1677, 2469, 2938, 3354, 4407, 4859, 4938, 8814, 9718, 10699, 14577, 21398, 29154, 32097, 35389, 63167, 64194, 70778, 92999, 106167, 126334, 185998, 189501, 212334, 278997, 379002, 460057, 557994, 920114, 1208987, 1380171, 2417974, 2760342, 3626961, 3998957, 7253922, 7997914, 11996871, 23993742, 51986441, 103972882, 155959323, 311918646]

約数ペア:

[(1, 311918646), (2, 155959323), (3, 103972882), (6, 51986441), (13, 23993742), (26, 11996871), (39, 7997914), (43, 7253922), (78, 3998957), (86, 3626961), (113, 2760342), (129, 2417974), (226, 1380171), (258, 1208987), (339, 920114), (559, 557994), (678, 460057), (823, 379002), (1118, 278997), (1469, 212334), (1646, 189501), (1677, 185998), (2469, 126334), (2938, 106167), (3354, 92999), (4407, 70778), (4859, 64194), (4938, 63167), (8814, 35389), (9718, 32097), (10699, 29154), (14577, 21398)]