889254392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{21323}}^1$

素因数の和:21743

約数の個数: 32

約数和(自身を含む): 1800172080

約数和(自身を除く): 910917688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 3208, 5213, 10426, 20852, 21323, 41704, 42646, 85292, 170584, 277199, 554398, 1108796, 2217592, 8550523, 17101046, 34202092, 68404184, 111156799, 222313598, 444627196, 889254392]

約数ペア:

[(1, 889254392), (2, 444627196), (4, 222313598), (8, 111156799), (13, 68404184), (26, 34202092), (52, 17101046), (104, 8550523), (401, 2217592), (802, 1108796), (1604, 554398), (3208, 277199), (5213, 170584), (10426, 85292), (20852, 42646), (21323, 41704)]