289103464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67801}}^1$

素因数の和:67861

約数の個数: 32

約数和(自身を含む): 598013640

約数和(自身を除く): 308910176

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 67801, 135602, 271204, 542408, 881413, 1762826, 2779841, 3525652, 5559682, 7051304, 11119364, 22238728, 36137933, 72275866, 144551732, 289103464]

約数ペア:

[(1, 289103464), (2, 144551732), (4, 72275866), (8, 36137933), (13, 22238728), (26, 11119364), (41, 7051304), (52, 5559682), (82, 3525652), (104, 2779841), (164, 1762826), (328, 881413), (533, 542408), (1066, 271204), (2132, 135602), (4264, 67801)]