71857487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 87595200

約数和(自身を除く): 15737713

約数列:

[1, 13, 17, 19, 109, 157, 221, 247, 323, 1417, 1853, 2041, 2071, 2669, 2983, 4199, 17113, 24089, 26923, 34697, 35207, 38779, 50711, 222469, 290921, 325147, 457691, 659243, 3781973, 4226911, 5527499, 71857487]

約数ペア:

[(1, 71857487), (13, 5527499), (17, 4226911), (19, 3781973), (109, 659243), (157, 457691), (221, 325147), (247, 290921), (323, 222469), (1417, 50711), (1853, 38779), (2041, 35207), (2071, 34697), (2669, 26923), (2983, 24089), (4199, 17113)]