71918084

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 154288512

約数和(自身を除く): 82370428

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 49, 74, 94, 98, 148, 188, 196, 211, 259, 329, 422, 518, 658, 844, 1036, 1316, 1477, 1739, 1813, 2303, 2954, 3478, 3626, 4606, 5908, 6956, 7252, 7807, 9212, 9917, 10339, 12173, 15614, 19834, 20678, 24346, 31228, 39668, 41356, 48692, 54649, 69419, 85211, 109298, 138838, 170422, 218596, 277676, 340844, 366929, 382543, 485933, 733858, 765086, 971866, 1467716, 1530172, 1943732, 2568503, 5137006, 10274012, 17979521, 35959042, 71918084]

約数ペア:

[(1, 71918084), (2, 35959042), (4, 17979521), (7, 10274012), (14, 5137006), (28, 2568503), (37, 1943732), (47, 1530172), (49, 1467716), (74, 971866), (94, 765086), (98, 733858), (148, 485933), (188, 382543), (196, 366929), (211, 340844), (259, 277676), (329, 218596), (422, 170422), (518, 138838), (658, 109298), (844, 85211), (1036, 69419), (1316, 54649), (1477, 48692), (1739, 41356), (1813, 39668), (2303, 31228), (2954, 24346), (3478, 20678), (3626, 19834), (4606, 15614), (5908, 12173), (6956, 10339), (7252, 9917), (7807, 9212)]