256963356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:292

約数の個数: 108

約数和(自身を含む): 722169448

約数和(自身を除く): 465206092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 113, 117, 129, 156, 172, 226, 234, 258, 339, 387, 452, 468, 516, 559, 678, 774, 1017, 1118, 1356, 1469, 1548, 1677, 2034, 2236, 2938, 3354, 4068, 4407, 4859, 5031, 5876, 6708, 8814, 9718, 10062, 12769, 13221, 14577, 17628, 19436, 20124, 25538, 26442, 29154, 38307, 43731, 51076, 52884, 58308, 63167, 76614, 87462, 114921, 126334, 153228, 165997, 174924, 189501, 229842, 252668, 331994, 379002, 459684, 497991, 549067, 568503, 663988, 758004, 995982, 1098134, 1137006, 1493973, 1647201, 1991964, 2196268, 2274012, 2987946, 3294402, 4941603, 5975892, 6588804, 7137871, 9883206, 14275742, 19766412, 21413613, 28551484, 42827226, 64240839, 85654452, 128481678, 256963356]

約数ペア:

[(1, 256963356), (2, 128481678), (3, 85654452), (4, 64240839), (6, 42827226), (9, 28551484), (12, 21413613), (13, 19766412), (18, 14275742), (26, 9883206), (36, 7137871), (39, 6588804), (43, 5975892), (52, 4941603), (78, 3294402), (86, 2987946), (113, 2274012), (117, 2196268), (129, 1991964), (156, 1647201), (172, 1493973), (226, 1137006), (234, 1098134), (258, 995982), (339, 758004), (387, 663988), (452, 568503), (468, 549067), (516, 497991), (559, 459684), (678, 379002), (774, 331994), (1017, 252668), (1118, 229842), (1356, 189501), (1469, 174924), (1548, 165997), (1677, 153228), (2034, 126334), (2236, 114921), (2938, 87462), (3354, 76614), (4068, 63167), (4407, 58308), (4859, 52884), (5031, 51076), (5876, 43731), (6708, 38307), (8814, 29154), (9718, 26442), (10062, 25538), (12769, 20124), (13221, 19436), (14577, 17628)]