661214528

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:692

約数の個数: 84

約数和(自身を含む): 1436014908

約数和(自身を除く): 774800380

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 169, 208, 226, 338, 416, 452, 541, 676, 832, 904, 1082, 1352, 1469, 1808, 2164, 2704, 2938, 3616, 4328, 5408, 5876, 7033, 7232, 8656, 10816, 11752, 14066, 17312, 19097, 23504, 28132, 34624, 38194, 47008, 56264, 61133, 76388, 91429, 94016, 112528, 122266, 152776, 182858, 225056, 244532, 305552, 365716, 450112, 489064, 611104, 731432, 794729, 978128, 1222208, 1462864, 1589458, 1956256, 2925728, 3178916, 3912512, 5851456, 6357832, 10331477, 12715664, 20662954, 25431328, 41325908, 50862656, 82651816, 165303632, 330607264, 661214528]

約数ペア:

[(1, 661214528), (2, 330607264), (4, 165303632), (8, 82651816), (13, 50862656), (16, 41325908), (26, 25431328), (32, 20662954), (52, 12715664), (64, 10331477), (104, 6357832), (113, 5851456), (169, 3912512), (208, 3178916), (226, 2925728), (338, 1956256), (416, 1589458), (452, 1462864), (541, 1222208), (676, 978128), (832, 794729), (904, 731432), (1082, 611104), (1352, 489064), (1469, 450112), (1808, 365716), (2164, 305552), (2704, 244532), (2938, 225056), (3616, 182858), (4328, 152776), (5408, 122266), (5876, 112528), (7033, 94016), (7232, 91429), (8656, 76388), (10816, 61133), (11752, 56264), (14066, 47008), (17312, 38194), (19097, 34624), (23504, 28132)]