77979818

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{509}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 138654720

約数和(自身を除く): 60674902

約数列:

[1, 2, 7, 14, 31, 62, 217, 353, 434, 509, 706, 1018, 2471, 3563, 4942, 7126, 10943, 15779, 21886, 31558, 76601, 110453, 153202, 179677, 220906, 359354, 1257739, 2515478, 5569987, 11139974, 38989909, 77979818]

約数ペア:

[(1, 77979818), (2, 38989909), (7, 11139974), (14, 5569987), (31, 2515478), (62, 1257739), (217, 359354), (353, 220906), (434, 179677), (509, 153202), (706, 110453), (1018, 76601), (2471, 31558), (3563, 21886), (4942, 15779), (7126, 10943)]