2639728

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 80

約数和(自身を含む): 6596800

約数和(自身を除く): 3957072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 49, 52, 56, 74, 91, 98, 104, 112, 148, 182, 196, 208, 259, 296, 343, 364, 392, 481, 518, 592, 637, 686, 728, 784, 962, 1036, 1274, 1372, 1456, 1813, 1924, 2072, 2548, 2744, 3367, 3626, 3848, 4144, 4459, 5096, 5488, 6734, 7252, 7696, 8918, 10192, 12691, 13468, 14504, 17836, 23569, 25382, 26936, 29008, 35672, 47138, 50764, 53872, 71344, 94276, 101528, 164983, 188552, 203056, 329966, 377104, 659932, 1319864, 2639728]

約数ペア:

[(1, 2639728), (2, 1319864), (4, 659932), (7, 377104), (8, 329966), (13, 203056), (14, 188552), (16, 164983), (26, 101528), (28, 94276), (37, 71344), (49, 53872), (52, 50764), (56, 47138), (74, 35672), (91, 29008), (98, 26936), (104, 25382), (112, 23569), (148, 17836), (182, 14504), (196, 13468), (208, 12691), (259, 10192), (296, 8918), (343, 7696), (364, 7252), (392, 6734), (481, 5488), (518, 5096), (592, 4459), (637, 4144), (686, 3848), (728, 3626), (784, 3367), (962, 2744), (1036, 2548), (1274, 2072), (1372, 1924), (1456, 1813)]