128475284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148013}}^1$

素因数の和:148055

約数の個数: 24

約数和(自身を含む): 265241088

約数和(自身を除く): 136765804

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 148013, 296026, 592052, 1036091, 2072182, 4144364, 4588403, 9176806, 18353612, 32118821, 64237642, 128475284]

約数ペア:

[(1, 128475284), (2, 64237642), (4, 32118821), (7, 18353612), (14, 9176806), (28, 4588403), (31, 4144364), (62, 2072182), (124, 1036091), (217, 592052), (434, 296026), (868, 148013)]