254249944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{128669}}^1$

素因数の和:128707

約数の個数: 32

約数和(自身を含む): 540414000

約数和(自身を除く): 286164056

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 128669, 257338, 514676, 1029352, 1672697, 2444711, 3345394, 4889422, 6690788, 9778844, 13381576, 19557688, 31781243, 63562486, 127124972, 254249944]

約数ペア:

[(1, 254249944), (2, 127124972), (4, 63562486), (8, 31781243), (13, 19557688), (19, 13381576), (26, 9778844), (38, 6690788), (52, 4889422), (76, 3345394), (104, 2444711), (152, 1672697), (247, 1029352), (494, 514676), (988, 257338), (1976, 128669)]