81346798

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 140587920

約数和(自身を除く): 59241122

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 169, 193, 338, 377, 386, 559, 754, 1118, 1247, 2494, 2509, 4901, 5018, 5597, 7267, 8299, 9802, 11194, 14534, 16211, 16598, 32422, 32617, 65234, 72761, 107887, 145522, 210743, 215774, 240671, 421486, 481342, 945893, 1402531, 1891786, 2805062, 3128723, 6257446, 40673399, 81346798]

約数ペア:

[(1, 81346798), (2, 40673399), (13, 6257446), (26, 3128723), (29, 2805062), (43, 1891786), (58, 1402531), (86, 945893), (169, 481342), (193, 421486), (338, 240671), (377, 215774), (386, 210743), (559, 145522), (754, 107887), (1118, 72761), (1247, 65234), (2494, 32617), (2509, 32422), (4901, 16598), (5018, 16211), (5597, 14534), (7267, 11194), (8299, 9802)]