71197256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 153014400

約数和(自身を除く): 81817144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 137, 152, 247, 263, 274, 494, 526, 548, 988, 1052, 1096, 1781, 1976, 2104, 2603, 3419, 3562, 4997, 5206, 6838, 7124, 9994, 10412, 13676, 14248, 19988, 20824, 27352, 33839, 36031, 39976, 64961, 67678, 72062, 129922, 135356, 144124, 259844, 270712, 288248, 468403, 519688, 684589, 936806, 1369178, 1873612, 2738356, 3747224, 5476712, 8899657, 17799314, 35598628, 71197256]

約数ペア:

[(1, 71197256), (2, 35598628), (4, 17799314), (8, 8899657), (13, 5476712), (19, 3747224), (26, 2738356), (38, 1873612), (52, 1369178), (76, 936806), (104, 684589), (137, 519688), (152, 468403), (247, 288248), (263, 270712), (274, 259844), (494, 144124), (526, 135356), (548, 129922), (988, 72062), (1052, 67678), (1096, 64961), (1781, 39976), (1976, 36031), (2104, 33839), (2603, 27352), (3419, 20824), (3562, 19988), (4997, 14248), (5206, 13676), (6838, 10412), (7124, 9994)]