251102628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23173}}^1$

素因数の和:23233

約数の個数: 72

約数和(自身を含む): 742309568

約数和(自身を除く): 491206940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 23173, 46346, 69519, 92692, 139038, 162211, 208557, 278076, 324422, 417114, 486633, 648844, 834228, 973266, 996439, 1459899, 1946532, 1992878, 2919798, 2989317, 3985756, 5839596, 5978634, 6975073, 8967951, 11957268, 13950146, 17935902, 20925219, 27900292, 35871804, 41850438, 62775657, 83700876, 125551314, 251102628]

約数ペア:

[(1, 251102628), (2, 125551314), (3, 83700876), (4, 62775657), (6, 41850438), (7, 35871804), (9, 27900292), (12, 20925219), (14, 17935902), (18, 13950146), (21, 11957268), (28, 8967951), (36, 6975073), (42, 5978634), (43, 5839596), (63, 3985756), (84, 2989317), (86, 2919798), (126, 1992878), (129, 1946532), (172, 1459899), (252, 996439), (258, 973266), (301, 834228), (387, 648844), (516, 486633), (602, 417114), (774, 324422), (903, 278076), (1204, 208557), (1548, 162211), (1806, 139038), (2709, 92692), (3612, 69519), (5418, 46346), (10836, 23173)]