212987788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{57689}}^1$

素因数の和:57777

約数の個数: 24

約数和(自身を含む): 407060640

約数和(自身を除く): 194072852

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 57689, 115378, 230756, 749957, 1499914, 2999828, 4095919, 8191838, 16383676, 53246947, 106493894, 212987788]

約数ペア:

[(1, 212987788), (2, 106493894), (4, 53246947), (13, 16383676), (26, 8191838), (52, 4095919), (71, 2999828), (142, 1499914), (284, 749957), (923, 230756), (1846, 115378), (3692, 57689)]