1216397728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{417719}}^1$

素因数の和:417749

約数の個数: 48

約数和(自身を含む): 2947432320

約数和(自身を除く): 1731034592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 417719, 835438, 1670876, 2924033, 3341752, 5430347, 5848066, 6683504, 10860694, 11696132, 13367008, 21721388, 23392264, 38012429, 43442776, 46784528, 76024858, 86885552, 93569056, 152049716, 173771104, 304099432, 608198864, 1216397728]

約数ペア:

[(1, 1216397728), (2, 608198864), (4, 304099432), (7, 173771104), (8, 152049716), (13, 93569056), (14, 86885552), (16, 76024858), (26, 46784528), (28, 43442776), (32, 38012429), (52, 23392264), (56, 21721388), (91, 13367008), (104, 11696132), (112, 10860694), (182, 6683504), (208, 5848066), (224, 5430347), (364, 3341752), (416, 2924033), (728, 1670876), (1456, 835438), (2912, 417719)]