208847990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{37361}}^1$

素因数の和:37424

約数の個数: 32

約数和(自身を含む): 414269856

約数和(自身を除く): 205421866

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 37361, 74722, 186805, 373610, 485693, 971386, 1606523, 2428465, 3213046, 4856930, 8032615, 16065230, 20884799, 41769598, 104423995, 208847990]

約数ペア:

[(1, 208847990), (2, 104423995), (5, 41769598), (10, 20884799), (13, 16065230), (26, 8032615), (43, 4856930), (65, 3213046), (86, 2428465), (130, 1606523), (215, 971386), (430, 485693), (559, 373610), (1118, 186805), (2795, 74722), (5590, 37361)]