266536712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{134887}}^1$

素因数の和:134925

約数の個数: 32

約数和(自身を含む): 566529600

約数和(自身を除く): 299992888

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 134887, 269774, 539548, 1079096, 1753531, 2562853, 3507062, 5125706, 7014124, 10251412, 14028248, 20502824, 33317089, 66634178, 133268356, 266536712]

約数ペア:

[(1, 266536712), (2, 133268356), (4, 66634178), (8, 33317089), (13, 20502824), (19, 14028248), (26, 10251412), (38, 7014124), (52, 5125706), (76, 3507062), (104, 2562853), (152, 1753531), (247, 1079096), (494, 539548), (988, 269774), (1976, 134887)]