28896378

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 71040000

約数和(自身を除く): 42143622

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 739, 798, 931, 1029, 1478, 1862, 2058, 2217, 2793, 4434, 5173, 5586, 6517, 10346, 13034, 14041, 15519, 19551, 28082, 31038, 36211, 39102, 42123, 72422, 84246, 98287, 108633, 196574, 217266, 253477, 294861, 506954, 589722, 688009, 760431, 1376018, 1520862, 2064027, 4128054, 4816063, 9632126, 14448189, 28896378]

約数ペア:

[(1, 28896378), (2, 14448189), (3, 9632126), (6, 4816063), (7, 4128054), (14, 2064027), (19, 1520862), (21, 1376018), (38, 760431), (42, 688009), (49, 589722), (57, 506954), (98, 294861), (114, 253477), (133, 217266), (147, 196574), (266, 108633), (294, 98287), (343, 84246), (399, 72422), (686, 42123), (739, 39102), (798, 36211), (931, 31038), (1029, 28082), (1478, 19551), (1862, 15519), (2058, 14041), (2217, 13034), (2793, 10346), (4434, 6517), (5173, 5586)]