671325008

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{2557}}^1$

素因数の和:2895

約数の個数: 40

約数和(自身を含む): 1327448520

約数和(自身を除く): 656123512

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 269, 488, 538, 976, 1076, 2152, 2557, 4304, 5114, 10228, 16409, 20456, 32818, 40912, 65636, 131272, 155977, 262544, 311954, 623908, 687833, 1247816, 1375666, 2495632, 2751332, 5502664, 11005328, 41957813, 83915626, 167831252, 335662504, 671325008]

約数ペア:

[(1, 671325008), (2, 335662504), (4, 167831252), (8, 83915626), (16, 41957813), (61, 11005328), (122, 5502664), (244, 2751332), (269, 2495632), (488, 1375666), (538, 1247816), (976, 687833), (1076, 623908), (2152, 311954), (2557, 262544), (4304, 155977), (5114, 131272), (10228, 65636), (16409, 40912), (20456, 32818)]