221493132

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:740

約数の個数: 108

約数和(自身を含む): 655014360

約数和(自身を除く): 433521228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 307, 409, 441, 588, 614, 818, 882, 921, 1227, 1228, 1636, 1764, 1842, 2149, 2454, 2763, 2863, 3681, 3684, 4298, 4908, 5526, 5726, 6447, 7362, 8589, 8596, 11052, 11452, 12894, 14724, 15043, 17178, 19341, 20041, 25767, 25788, 30086, 34356, 38682, 40082, 45129, 51534, 60123, 60172, 77364, 80164, 90258, 103068, 120246, 125563, 135387, 180369, 180516, 240492, 251126, 270774, 360738, 376689, 502252, 541548, 721476, 753378, 878941, 1130067, 1506756, 1757882, 2260134, 2636823, 3515764, 4520268, 5273646, 6152587, 7910469, 10547292, 12305174, 15820938, 18457761, 24610348, 31641876, 36915522, 55373283, 73831044, 110746566, 221493132]

約数ペア:

[(1, 221493132), (2, 110746566), (3, 73831044), (4, 55373283), (6, 36915522), (7, 31641876), (9, 24610348), (12, 18457761), (14, 15820938), (18, 12305174), (21, 10547292), (28, 7910469), (36, 6152587), (42, 5273646), (49, 4520268), (63, 3515764), (84, 2636823), (98, 2260134), (126, 1757882), (147, 1506756), (196, 1130067), (252, 878941), (294, 753378), (307, 721476), (409, 541548), (441, 502252), (588, 376689), (614, 360738), (818, 270774), (882, 251126), (921, 240492), (1227, 180516), (1228, 180369), (1636, 135387), (1764, 125563), (1842, 120246), (2149, 103068), (2454, 90258), (2763, 80164), (2863, 77364), (3681, 60172), (3684, 60123), (4298, 51534), (4908, 45129), (5526, 40082), (5726, 38682), (6447, 34356), (7362, 30086), (8589, 25788), (8596, 25767), (11052, 20041), (11452, 19341), (12894, 17178), (14724, 15043)]