821039904

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{20809}}^1$

素因数の和:20962

約数の個数: 72

約数和(自身を含む): 2351987820

約数和(自身を除く): 1530947916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 548, 822, 1096, 1233, 1644, 2192, 2466, 3288, 4384, 4932, 6576, 9864, 13152, 19728, 20809, 39456, 41618, 62427, 83236, 124854, 166472, 187281, 249708, 332944, 374562, 499416, 665888, 749124, 998832, 1498248, 1997664, 2850833, 2996496, 5701666, 5992992, 8552499, 11403332, 17104998, 22806664, 25657497, 34209996, 45613328, 51314994, 68419992, 91226656, 102629988, 136839984, 205259976, 273679968, 410519952, 821039904]

約数ペア:

[(1, 821039904), (2, 410519952), (3, 273679968), (4, 205259976), (6, 136839984), (8, 102629988), (9, 91226656), (12, 68419992), (16, 51314994), (18, 45613328), (24, 34209996), (32, 25657497), (36, 22806664), (48, 17104998), (72, 11403332), (96, 8552499), (137, 5992992), (144, 5701666), (274, 2996496), (288, 2850833), (411, 1997664), (548, 1498248), (822, 998832), (1096, 749124), (1233, 665888), (1644, 499416), (2192, 374562), (2466, 332944), (3288, 249708), (4384, 187281), (4932, 166472), (6576, 124854), (9864, 83236), (13152, 62427), (19728, 41618), (20809, 39456)]