281731212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8803}}^1$

素因数の和:8947

約数の個数: 72

約数和(自身を含む): 820391936

約数和(自身を除く): 538660724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 8001, 8803, 10668, 16002, 17606, 26409, 32004, 35212, 52818, 61621, 79227, 105636, 123242, 158454, 184863, 246484, 316908, 369726, 554589, 739452, 1109178, 1117981, 2218356, 2235962, 3353943, 4471924, 6707886, 7825867, 10061829, 13415772, 15651734, 20123658, 23477601, 31303468, 40247316, 46955202, 70432803, 93910404, 140865606, 281731212]

約数ペア:

[(1, 281731212), (2, 140865606), (3, 93910404), (4, 70432803), (6, 46955202), (7, 40247316), (9, 31303468), (12, 23477601), (14, 20123658), (18, 15651734), (21, 13415772), (28, 10061829), (36, 7825867), (42, 6707886), (63, 4471924), (84, 3353943), (126, 2235962), (127, 2218356), (252, 1117981), (254, 1109178), (381, 739452), (508, 554589), (762, 369726), (889, 316908), (1143, 246484), (1524, 184863), (1778, 158454), (2286, 123242), (2667, 105636), (3556, 79227), (4572, 61621), (5334, 52818), (8001, 35212), (8803, 32004), (10668, 26409), (16002, 17606)]