219920532

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 572890752

約数和(自身を除く): 352970220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 67, 78, 106, 134, 156, 159, 201, 212, 268, 318, 397, 402, 636, 689, 794, 804, 871, 1191, 1378, 1588, 1742, 2067, 2382, 2613, 2756, 3484, 3551, 4134, 4764, 5161, 5226, 7102, 8268, 10322, 10452, 10653, 14204, 15483, 20644, 21041, 21306, 26599, 30966, 42082, 42612, 46163, 53198, 61932, 63123, 79797, 84164, 92326, 106396, 126246, 138489, 159594, 184652, 252492, 273533, 276978, 319188, 345787, 547066, 553956, 691574, 820599, 1037361, 1094132, 1383148, 1409747, 1641198, 2074722, 2819494, 3282396, 4149444, 4229241, 5638988, 8458482, 16916964, 18326711, 36653422, 54980133, 73306844, 109960266, 219920532]

約数ペア:

[(1, 219920532), (2, 109960266), (3, 73306844), (4, 54980133), (6, 36653422), (12, 18326711), (13, 16916964), (26, 8458482), (39, 5638988), (52, 4229241), (53, 4149444), (67, 3282396), (78, 2819494), (106, 2074722), (134, 1641198), (156, 1409747), (159, 1383148), (201, 1094132), (212, 1037361), (268, 820599), (318, 691574), (397, 553956), (402, 547066), (636, 345787), (689, 319188), (794, 276978), (804, 273533), (871, 252492), (1191, 184652), (1378, 159594), (1588, 138489), (1742, 126246), (2067, 106396), (2382, 92326), (2613, 84164), (2756, 79797), (3484, 63123), (3551, 61932), (4134, 53198), (4764, 46163), (5161, 42612), (5226, 42082), (7102, 30966), (8268, 26599), (10322, 21306), (10452, 21041), (10653, 20644), (14204, 15483)]