28007322

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 67584000

約数和(自身を除く): 39576678

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 93, 98, 147, 186, 217, 294, 343, 434, 439, 651, 686, 878, 1029, 1302, 1317, 1519, 2058, 2634, 3038, 3073, 4557, 6146, 9114, 9219, 10633, 13609, 18438, 21266, 21511, 27218, 31899, 40827, 43022, 63798, 64533, 81654, 95263, 129066, 150577, 190526, 285789, 301154, 451731, 571578, 666841, 903462, 1333682, 2000523, 4001046, 4667887, 9335774, 14003661, 28007322]

約数ペア:

[(1, 28007322), (2, 14003661), (3, 9335774), (6, 4667887), (7, 4001046), (14, 2000523), (21, 1333682), (31, 903462), (42, 666841), (49, 571578), (62, 451731), (93, 301154), (98, 285789), (147, 190526), (186, 150577), (217, 129066), (294, 95263), (343, 81654), (434, 64533), (439, 63798), (651, 43022), (686, 40827), (878, 31899), (1029, 27218), (1302, 21511), (1317, 21266), (1519, 18438), (2058, 13609), (2634, 10633), (3038, 9219), (3073, 9114), (4557, 6146)]