81413388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1201}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 236265120

約数和(自身を除く): 154851732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 269, 538, 807, 1076, 1201, 1614, 1883, 2402, 2421, 3228, 3603, 3766, 4804, 4842, 5649, 7206, 7532, 8407, 9684, 10809, 11298, 14412, 16814, 16947, 21618, 22596, 25221, 33628, 33894, 43236, 50442, 67788, 75663, 100884, 151326, 302652, 323069, 646138, 969207, 1292276, 1938414, 2261483, 2907621, 3876828, 4522966, 5815242, 6784449, 9045932, 11630484, 13568898, 20353347, 27137796, 40706694, 81413388]

約数ペア:

[(1, 81413388), (2, 40706694), (3, 27137796), (4, 20353347), (6, 13568898), (7, 11630484), (9, 9045932), (12, 6784449), (14, 5815242), (18, 4522966), (21, 3876828), (28, 2907621), (36, 2261483), (42, 1938414), (63, 1292276), (84, 969207), (126, 646138), (252, 323069), (269, 302652), (538, 151326), (807, 100884), (1076, 75663), (1201, 67788), (1614, 50442), (1883, 43236), (2402, 33894), (2421, 33628), (3228, 25221), (3603, 22596), (3766, 21618), (4804, 16947), (4842, 16814), (5649, 14412), (7206, 11298), (7532, 10809), (8407, 9684)]