268308918

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:466

約数の個数: 72

約数和(自身を含む): 619798608

約数和(自身を除く): 351489690

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 263, 314, 342, 361, 471, 526, 722, 789, 942, 1083, 1413, 1578, 2166, 2367, 2826, 2983, 3249, 4734, 4997, 5966, 6498, 8949, 9994, 14991, 17898, 26847, 29982, 41291, 44973, 53694, 56677, 82582, 89946, 94943, 113354, 123873, 170031, 189886, 247746, 284829, 340062, 371619, 510093, 569658, 743238, 784529, 854487, 1020186, 1569058, 1708974, 2353587, 4707174, 7060761, 14121522, 14906051, 29812102, 44718153, 89436306, 134154459, 268308918]

約数ペア:

[(1, 268308918), (2, 134154459), (3, 89436306), (6, 44718153), (9, 29812102), (18, 14906051), (19, 14121522), (38, 7060761), (57, 4707174), (114, 2353587), (157, 1708974), (171, 1569058), (263, 1020186), (314, 854487), (342, 784529), (361, 743238), (471, 569658), (526, 510093), (722, 371619), (789, 340062), (942, 284829), (1083, 247746), (1413, 189886), (1578, 170031), (2166, 123873), (2367, 113354), (2826, 94943), (2983, 89946), (3249, 82582), (4734, 56677), (4997, 53694), (5966, 44973), (6498, 41291), (8949, 29982), (9994, 26847), (14991, 17898)]