28795356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48256164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 276, 332, 414, 419, 498, 747, 828, 838, 996, 1257, 1494, 1676, 1909, 2514, 2988, 3771, 3818, 5028, 5727, 7542, 7636, 9637, 11454, 15084, 17181, 19274, 22908, 28911, 34362, 34777, 38548, 57822, 68724, 69554, 86733, 104331, 115644, 139108, 173466, 208662, 312993, 346932, 417324, 625986, 799871, 1251972, 1599742, 2399613, 3199484, 4799226, 7198839, 9598452, 14397678, 28795356]

約数ペア:

[(1, 28795356), (2, 14397678), (3, 9598452), (4, 7198839), (6, 4799226), (9, 3199484), (12, 2399613), (18, 1599742), (23, 1251972), (36, 799871), (46, 625986), (69, 417324), (83, 346932), (92, 312993), (138, 208662), (166, 173466), (207, 139108), (249, 115644), (276, 104331), (332, 86733), (414, 69554), (419, 68724), (498, 57822), (747, 38548), (828, 34777), (838, 34362), (996, 28911), (1257, 22908), (1494, 19274), (1676, 17181), (1909, 15084), (2514, 11454), (2988, 9637), (3771, 7636), (3818, 7542), (5028, 5727)]