222776216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112741}}^1$

素因数の和:112779

約数の個数: 32

約数和(自身を含む): 473516400

約数和(自身を除く): 250740184

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 112741, 225482, 450964, 901928, 1465633, 2142079, 2931266, 4284158, 5862532, 8568316, 11725064, 17136632, 27847027, 55694054, 111388108, 222776216]

約数ペア:

[(1, 222776216), (2, 111388108), (4, 55694054), (8, 27847027), (13, 17136632), (19, 11725064), (26, 8568316), (38, 5862532), (52, 4284158), (76, 2931266), (104, 2142079), (152, 1465633), (247, 901928), (494, 450964), (988, 225482), (1976, 112741)]