256460724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8179}}^1$

素因数の和:8269

約数の個数: 72

約数和(自身を含む): 708649760

約数和(自身を除く): 452189036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 8179, 10452, 15678, 16358, 24537, 31356, 32716, 49074, 73611, 98148, 106327, 147222, 212654, 294444, 318981, 425308, 547993, 637962, 956943, 1095986, 1275924, 1643979, 1913886, 2191972, 3287958, 3827772, 4931937, 6575916, 7123909, 9863874, 14247818, 19727748, 21371727, 28495636, 42743454, 64115181, 85486908, 128230362, 256460724]

約数ペア:

[(1, 256460724), (2, 128230362), (3, 85486908), (4, 64115181), (6, 42743454), (9, 28495636), (12, 21371727), (13, 19727748), (18, 14247818), (26, 9863874), (36, 7123909), (39, 6575916), (52, 4931937), (67, 3827772), (78, 3287958), (117, 2191972), (134, 1913886), (156, 1643979), (201, 1275924), (234, 1095986), (268, 956943), (402, 637962), (468, 547993), (603, 425308), (804, 318981), (871, 294444), (1206, 212654), (1742, 147222), (2412, 106327), (2613, 98148), (3484, 73611), (5226, 49074), (7839, 32716), (8179, 31356), (10452, 24537), (15678, 16358)]