12920986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 24385536

約数和(自身を除く): 11464550

約数列:

[1, 2, 13, 17, 23, 26, 31, 34, 41, 46, 62, 82, 221, 299, 391, 403, 442, 527, 533, 598, 697, 713, 782, 806, 943, 1054, 1066, 1271, 1394, 1426, 1886, 2542, 5083, 6851, 9061, 9269, 10166, 12121, 12259, 13702, 16031, 16523, 18122, 18538, 21607, 24242, 24518, 29233, 32062, 33046, 43214, 58466, 157573, 208403, 280891, 315146, 380029, 416806, 496961, 561782, 760058, 993922, 6460493, 12920986]

約数ペア:

[(1, 12920986), (2, 6460493), (13, 993922), (17, 760058), (23, 561782), (26, 496961), (31, 416806), (34, 380029), (41, 315146), (46, 280891), (62, 208403), (82, 157573), (221, 58466), (299, 43214), (391, 33046), (403, 32062), (442, 29233), (527, 24518), (533, 24242), (598, 21607), (697, 18538), (713, 18122), (782, 16523), (806, 16031), (943, 13702), (1054, 12259), (1066, 12121), (1271, 10166), (1394, 9269), (1426, 9061), (1886, 6851), (2542, 5083)]