213778859

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 277364736

約数和(自身を除く): 63585877

約数列:

[1, 7, 17, 23, 37, 119, 161, 259, 391, 629, 851, 2111, 2737, 4403, 5957, 14467, 14777, 35887, 48553, 78107, 101269, 251209, 339871, 546749, 825401, 1327819, 1796461, 5777807, 9294733, 12575227, 30539837, 213778859]

約数ペア:

[(1, 213778859), (7, 30539837), (17, 12575227), (23, 9294733), (37, 5777807), (119, 1796461), (161, 1327819), (259, 825401), (391, 546749), (629, 339871), (851, 251209), (2111, 101269), (2737, 78107), (4403, 48553), (5957, 35887), (14467, 14777)]