78981728

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2963}}^1$

素因数の和:3004

約数の個数: 72

約数和(自身を含む): 191587032

約数和(自身を除く): 112605304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 2963, 3332, 3808, 5926, 6664, 11852, 13328, 20741, 23704, 26656, 41482, 47408, 50371, 82964, 94816, 100742, 145187, 165928, 201484, 290374, 331856, 352597, 402968, 580748, 663712, 705194, 805936, 1161496, 1410388, 1611872, 2322992, 2468179, 2820776, 4645984, 4936358, 5641552, 9872716, 11283104, 19745432, 39490864, 78981728]

約数ペア:

[(1, 78981728), (2, 39490864), (4, 19745432), (7, 11283104), (8, 9872716), (14, 5641552), (16, 4936358), (17, 4645984), (28, 2820776), (32, 2468179), (34, 2322992), (49, 1611872), (56, 1410388), (68, 1161496), (98, 805936), (112, 705194), (119, 663712), (136, 580748), (196, 402968), (224, 352597), (238, 331856), (272, 290374), (392, 201484), (476, 165928), (544, 145187), (784, 100742), (833, 94816), (952, 82964), (1568, 50371), (1666, 47408), (1904, 41482), (2963, 26656), (3332, 23704), (3808, 20741), (5926, 13328), (6664, 11852)]