77981344

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 72

約数和(自身を含む): 183097908

約数和(自身を除く): 105116564

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 392, 574, 656, 784, 1148, 1213, 1312, 1568, 2009, 2296, 2426, 4018, 4592, 4852, 8036, 8491, 9184, 9704, 16072, 16982, 19408, 32144, 33964, 38816, 49733, 59437, 64288, 67928, 99466, 118874, 135856, 198932, 237748, 271712, 348131, 397864, 475496, 696262, 795728, 950992, 1392524, 1591456, 1901984, 2436917, 2785048, 4873834, 5570096, 9747668, 11140192, 19495336, 38990672, 77981344]

約数ペア:

[(1, 77981344), (2, 38990672), (4, 19495336), (7, 11140192), (8, 9747668), (14, 5570096), (16, 4873834), (28, 2785048), (32, 2436917), (41, 1901984), (49, 1591456), (56, 1392524), (82, 950992), (98, 795728), (112, 696262), (164, 475496), (196, 397864), (224, 348131), (287, 271712), (328, 237748), (392, 198932), (574, 135856), (656, 118874), (784, 99466), (1148, 67928), (1213, 64288), (1312, 59437), (1568, 49733), (2009, 38816), (2296, 33964), (2426, 32144), (4018, 19408), (4592, 16982), (4852, 16072), (8036, 9704), (8491, 9184)]