256393188

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 709689344

約数和(自身を除く): 453296156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 67, 81, 93, 108, 124, 127, 134, 162, 186, 201, 243, 254, 268, 279, 324, 372, 381, 402, 486, 508, 558, 603, 762, 804, 837, 972, 1116, 1143, 1206, 1524, 1674, 1809, 2077, 2286, 2412, 2511, 3348, 3429, 3618, 3937, 4154, 4572, 5022, 5427, 6231, 6858, 7236, 7533, 7874, 8308, 8509, 10044, 10287, 10854, 11811, 12462, 13716, 15066, 15748, 16281, 17018, 18693, 20574, 21708, 23622, 24924, 25527, 30132, 30861, 32562, 34036, 35433, 37386, 41148, 47244, 51054, 56079, 61722, 65124, 70866, 74772, 76581, 102108, 106299, 112158, 123444, 141732, 153162, 168237, 212598, 224316, 229743, 263779, 306324, 318897, 336474, 425196, 459486, 504711, 527558, 637794, 672948, 689229, 791337, 918972, 956691, 1009422, 1055116, 1275588, 1378458, 1582674, 1913382, 2018844, 2067687, 2374011, 2756916, 3165348, 3826764, 4135374, 4748022, 7122033, 8270748, 9496044, 14244066, 21366099, 28488132, 42732198, 64098297, 85464396, 128196594, 256393188]

約数ペア:

[(1, 256393188), (2, 128196594), (3, 85464396), (4, 64098297), (6, 42732198), (9, 28488132), (12, 21366099), (18, 14244066), (27, 9496044), (31, 8270748), (36, 7122033), (54, 4748022), (62, 4135374), (67, 3826764), (81, 3165348), (93, 2756916), (108, 2374011), (124, 2067687), (127, 2018844), (134, 1913382), (162, 1582674), (186, 1378458), (201, 1275588), (243, 1055116), (254, 1009422), (268, 956691), (279, 918972), (324, 791337), (372, 689229), (381, 672948), (402, 637794), (486, 527558), (508, 504711), (558, 459486), (603, 425196), (762, 336474), (804, 318897), (837, 306324), (972, 263779), (1116, 229743), (1143, 224316), (1206, 212598), (1524, 168237), (1674, 153162), (1809, 141732), (2077, 123444), (2286, 112158), (2412, 106299), (2511, 102108), (3348, 76581), (3429, 74772), (3618, 70866), (3937, 65124), (4154, 61722), (4572, 56079), (5022, 51054), (5427, 47244), (6231, 41148), (6858, 37386), (7236, 35433), (7533, 34036), (7874, 32562), (8308, 30861), (8509, 30132), (10044, 25527), (10287, 24924), (10854, 23622), (11811, 21708), (12462, 20574), (13716, 18693), (15066, 17018), (15748, 16281)]