28115292

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 70854784

約数和(自身を除く): 42739492

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 103, 129, 138, 172, 206, 258, 276, 309, 412, 516, 529, 618, 989, 1058, 1236, 1587, 1978, 2116, 2369, 2967, 3174, 3956, 4429, 4738, 5934, 6348, 7107, 8858, 9476, 11868, 13287, 14214, 17716, 22747, 26574, 28428, 45494, 53148, 54487, 68241, 90988, 101867, 108974, 136482, 163461, 203734, 217948, 272964, 305601, 326922, 407468, 611202, 653844, 1222404, 2342941, 4685882, 7028823, 9371764, 14057646, 28115292]

約数ペア:

[(1, 28115292), (2, 14057646), (3, 9371764), (4, 7028823), (6, 4685882), (12, 2342941), (23, 1222404), (43, 653844), (46, 611202), (69, 407468), (86, 326922), (92, 305601), (103, 272964), (129, 217948), (138, 203734), (172, 163461), (206, 136482), (258, 108974), (276, 101867), (309, 90988), (412, 68241), (516, 54487), (529, 53148), (618, 45494), (989, 28428), (1058, 26574), (1236, 22747), (1587, 17716), (1978, 14214), (2116, 13287), (2369, 11868), (2967, 9476), (3174, 8858), (3956, 7107), (4429, 6348), (4738, 5934)]