681408

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{13}}^2$

素因数の和:51

約数の個数: 126

約数和(自身を含む): 2417064

約数和(自身を除く): 1735656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 169, 182, 192, 208, 224, 234, 252, 273, 288, 312, 336, 338, 364, 416, 448, 468, 504, 507, 546, 576, 624, 672, 676, 728, 819, 832, 936, 1008, 1014, 1092, 1183, 1248, 1344, 1352, 1456, 1521, 1638, 1872, 2016, 2028, 2184, 2366, 2496, 2704, 2912, 3042, 3276, 3549, 3744, 4032, 4056, 4368, 4732, 5408, 5824, 6084, 6552, 7098, 7488, 8112, 8736, 9464, 10647, 10816, 12168, 13104, 14196, 16224, 17472, 18928, 21294, 24336, 26208, 28392, 32448, 37856, 42588, 48672, 52416, 56784, 75712, 85176, 97344, 113568, 170352, 227136, 340704, 681408]

約数ペア:

[(1, 681408), (2, 340704), (3, 227136), (4, 170352), (6, 113568), (7, 97344), (8, 85176), (9, 75712), (12, 56784), (13, 52416), (14, 48672), (16, 42588), (18, 37856), (21, 32448), (24, 28392), (26, 26208), (28, 24336), (32, 21294), (36, 18928), (39, 17472), (42, 16224), (48, 14196), (52, 13104), (56, 12168), (63, 10816), (64, 10647), (72, 9464), (78, 8736), (84, 8112), (91, 7488), (96, 7098), (104, 6552), (112, 6084), (117, 5824), (126, 5408), (144, 4732), (156, 4368), (168, 4056), (169, 4032), (182, 3744), (192, 3549), (208, 3276), (224, 3042), (234, 2912), (252, 2704), (273, 2496), (288, 2366), (312, 2184), (336, 2028), (338, 2016), (364, 1872), (416, 1638), (448, 1521), (468, 1456), (504, 1352), (507, 1344), (546, 1248), (576, 1183), (624, 1092), (672, 1014), (676, 1008), (728, 936), (819, 832)]