405152826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12951

約数の個数: 48

約数和(自身を含む): 905806080

約数和(自身を除く): 500653254

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 1014, 1209, 2418, 5239, 10478, 12889, 15717, 25778, 31434, 38667, 77334, 167557, 335114, 399559, 502671, 799118, 1005342, 1198677, 2178241, 2397354, 4356482, 5194267, 6534723, 10388534, 13069446, 15582801, 31165602, 67525471, 135050942, 202576413, 405152826]

約数ペア:

[(1, 405152826), (2, 202576413), (3, 135050942), (6, 67525471), (13, 31165602), (26, 15582801), (31, 13069446), (39, 10388534), (62, 6534723), (78, 5194267), (93, 4356482), (169, 2397354), (186, 2178241), (338, 1198677), (403, 1005342), (507, 799118), (806, 502671), (1014, 399559), (1209, 335114), (2418, 167557), (5239, 77334), (10478, 38667), (12889, 31434), (15717, 25778)]