81709888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 190103760

約数和(自身を除く): 108393872

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 53, 64, 68, 104, 106, 109, 136, 208, 212, 218, 221, 272, 416, 424, 436, 442, 544, 689, 832, 848, 872, 884, 901, 1088, 1378, 1417, 1696, 1744, 1768, 1802, 1853, 2756, 2834, 3392, 3488, 3536, 3604, 3706, 5512, 5668, 5777, 6976, 7072, 7208, 7412, 11024, 11336, 11554, 11713, 14144, 14416, 14824, 22048, 22672, 23108, 23426, 24089, 28832, 29648, 44096, 45344, 46216, 46852, 48178, 57664, 59296, 75101, 90688, 92432, 93704, 96356, 98209, 118592, 150202, 184864, 187408, 192712, 196418, 300404, 369728, 374816, 385424, 392836, 600808, 749632, 770848, 785672, 1201616, 1276717, 1541696, 1571344, 2403232, 2553434, 3142688, 4806464, 5106868, 6285376, 10213736, 20427472, 40854944, 81709888]

約数ペア:

[(1, 81709888), (2, 40854944), (4, 20427472), (8, 10213736), (13, 6285376), (16, 5106868), (17, 4806464), (26, 3142688), (32, 2553434), (34, 2403232), (52, 1571344), (53, 1541696), (64, 1276717), (68, 1201616), (104, 785672), (106, 770848), (109, 749632), (136, 600808), (208, 392836), (212, 385424), (218, 374816), (221, 369728), (272, 300404), (416, 196418), (424, 192712), (436, 187408), (442, 184864), (544, 150202), (689, 118592), (832, 98209), (848, 96356), (872, 93704), (884, 92432), (901, 90688), (1088, 75101), (1378, 59296), (1417, 57664), (1696, 48178), (1744, 46852), (1768, 46216), (1802, 45344), (1853, 44096), (2756, 29648), (2834, 28832), (3392, 24089), (3488, 23426), (3536, 23108), (3604, 22672), (3706, 22048), (5512, 14824), (5668, 14416), (5777, 14144), (6976, 11713), (7072, 11554), (7208, 11336), (7412, 11024)]