81738761636

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^2\times {\mathrm{1249}}^1$

素因数の和:1753

約数の個数: 72

約数和(自身を含む): 167842080000

約数和(自身を除く): 86103318364

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 223, 329, 446, 658, 892, 1249, 1316, 1561, 2498, 3122, 4996, 6244, 8743, 10481, 17486, 20962, 34972, 41924, 49729, 58703, 73367, 99458, 117406, 146734, 198916, 234812, 278527, 293468, 348103, 410921, 557054, 696206, 821842, 1114108, 1392412, 1643684, 1949689, 2337263, 3899378, 4674526, 7798756, 9349052, 13090769, 16360841, 26181538, 32721682, 52363076, 62111521, 65443364, 91635383, 124223042, 183270766, 248446084, 366541532, 434780647, 869561294, 1739122588, 2919241487, 5838482974, 11676965948, 20434690409, 40869380818, 81738761636]

約数ペア:

[(1, 81738761636), (2, 40869380818), (4, 20434690409), (7, 11676965948), (14, 5838482974), (28, 2919241487), (47, 1739122588), (94, 869561294), (188, 434780647), (223, 366541532), (329, 248446084), (446, 183270766), (658, 124223042), (892, 91635383), (1249, 65443364), (1316, 62111521), (1561, 52363076), (2498, 32721682), (3122, 26181538), (4996, 16360841), (6244, 13090769), (8743, 9349052), (10481, 7798756), (17486, 4674526), (20962, 3899378), (34972, 2337263), (41924, 1949689), (49729, 1643684), (58703, 1392412), (73367, 1114108), (99458, 821842), (117406, 696206), (146734, 557054), (198916, 410921), (234812, 348103), (278527, 293468)]