421964946

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 1067466816

約数和(自身を除く): 645501870

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 37, 39, 46, 69, 74, 78, 111, 117, 138, 163, 169, 207, 222, 234, 299, 326, 333, 338, 414, 481, 489, 507, 598, 666, 851, 897, 962, 978, 1014, 1443, 1467, 1521, 1702, 1794, 2119, 2553, 2691, 2886, 2934, 3042, 3749, 3887, 4238, 4329, 5106, 5382, 6031, 6253, 6357, 7498, 7659, 7774, 8658, 11063, 11247, 11661, 12062, 12506, 12714, 15318, 18093, 18759, 19071, 22126, 22494, 23322, 27547, 33189, 33741, 34983, 36186, 37518, 38142, 48737, 54279, 55094, 56277, 66378, 67482, 69966, 78403, 82641, 97474, 99567, 108558, 112554, 138713, 143819, 146211, 156806, 165282, 199134, 235209, 247923, 277426, 287638, 292422, 416139, 431457, 438633, 470418, 495846, 633581, 705627, 832278, 862914, 877266, 1019239, 1248417, 1267162, 1294371, 1411254, 1803269, 1900743, 2038478, 2496834, 2588742, 3057717, 3606538, 3801486, 5409807, 5702229, 6115434, 9173151, 10819614, 11404458, 16229421, 18346302, 23442497, 32458842, 46884994, 70327491, 140654982, 210982473, 421964946]

約数ペア:

[(1, 421964946), (2, 210982473), (3, 140654982), (6, 70327491), (9, 46884994), (13, 32458842), (18, 23442497), (23, 18346302), (26, 16229421), (37, 11404458), (39, 10819614), (46, 9173151), (69, 6115434), (74, 5702229), (78, 5409807), (111, 3801486), (117, 3606538), (138, 3057717), (163, 2588742), (169, 2496834), (207, 2038478), (222, 1900743), (234, 1803269), (299, 1411254), (326, 1294371), (333, 1267162), (338, 1248417), (414, 1019239), (481, 877266), (489, 862914), (507, 832278), (598, 705627), (666, 633581), (851, 495846), (897, 470418), (962, 438633), (978, 431457), (1014, 416139), (1443, 292422), (1467, 287638), (1521, 277426), (1702, 247923), (1794, 235209), (2119, 199134), (2553, 165282), (2691, 156806), (2886, 146211), (2934, 143819), (3042, 138713), (3749, 112554), (3887, 108558), (4238, 99567), (4329, 97474), (5106, 82641), (5382, 78403), (6031, 69966), (6253, 67482), (6357, 66378), (7498, 56277), (7659, 55094), (7774, 54279), (8658, 48737), (11063, 38142), (11247, 37518), (11661, 36186), (12062, 34983), (12506, 33741), (12714, 33189), (15318, 27547), (18093, 23322), (18759, 22494), (19071, 22126)]