391948934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{21143}}^1$

素因数の和:21212

約数の個数: 32

約数和(自身を含む): 682020864

約数和(自身を除く): 290071930

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 9269, 18538, 21143, 42286, 274859, 486289, 549718, 655433, 972578, 1310866, 6321757, 8520629, 12643514, 15074959, 17041258, 30149918, 195974467, 391948934]

約数ペア:

[(1, 391948934), (2, 195974467), (13, 30149918), (23, 17041258), (26, 15074959), (31, 12643514), (46, 8520629), (62, 6321757), (299, 1310866), (403, 972578), (598, 655433), (713, 549718), (806, 486289), (1426, 274859), (9269, 42286), (18538, 21143)]