71309128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{42649}}^1$

素因数の和:42685

約数の個数: 32

約数和(自身を含む): 153540000

約数和(自身を除く): 82230872

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 42649, 85298, 170596, 341192, 469139, 810331, 938278, 1620662, 1876556, 3241324, 3753112, 6482648, 8913641, 17827282, 35654564, 71309128]

約数ペア:

[(1, 71309128), (2, 35654564), (4, 17827282), (8, 8913641), (11, 6482648), (19, 3753112), (22, 3241324), (38, 1876556), (44, 1620662), (76, 938278), (88, 810331), (152, 469139), (209, 341192), (418, 170596), (836, 85298), (1672, 42649)]