40389622

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 40

約数和(自身を含む): 76232016

約数和(自身を除く): 35842394

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 647, 686, 1274, 1294, 2401, 4459, 4529, 4802, 8411, 8918, 9058, 16822, 31213, 31703, 58877, 62426, 63406, 117754, 221921, 412139, 443842, 824278, 1553447, 2884973, 3106894, 5769946, 20194811, 40389622]

約数ペア:

[(1, 40389622), (2, 20194811), (7, 5769946), (13, 3106894), (14, 2884973), (26, 1553447), (49, 824278), (91, 443842), (98, 412139), (182, 221921), (343, 117754), (637, 63406), (647, 62426), (686, 58877), (1274, 31703), (1294, 31213), (2401, 16822), (4459, 9058), (4529, 8918), (4802, 8411)]