1638273648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{19763}}^1$

素因数の和:19942

約数の個数: 80

約数和(自身を含む): 4646595456

約数和(自身を除く): 3008321808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 157, 176, 264, 314, 471, 528, 628, 942, 1256, 1727, 1884, 2512, 3454, 3768, 5181, 6908, 7536, 10362, 13816, 19763, 20724, 27632, 39526, 41448, 59289, 79052, 82896, 118578, 158104, 217393, 237156, 316208, 434786, 474312, 652179, 869572, 948624, 1304358, 1739144, 2608716, 3102791, 3478288, 5217432, 6205582, 9308373, 10434864, 12411164, 18616746, 24822328, 34130701, 37233492, 49644656, 68261402, 74466984, 102392103, 136522804, 148933968, 204784206, 273045608, 409568412, 546091216, 819136824, 1638273648]

約数ペア:

[(1, 1638273648), (2, 819136824), (3, 546091216), (4, 409568412), (6, 273045608), (8, 204784206), (11, 148933968), (12, 136522804), (16, 102392103), (22, 74466984), (24, 68261402), (33, 49644656), (44, 37233492), (48, 34130701), (66, 24822328), (88, 18616746), (132, 12411164), (157, 10434864), (176, 9308373), (264, 6205582), (314, 5217432), (471, 3478288), (528, 3102791), (628, 2608716), (942, 1739144), (1256, 1304358), (1727, 948624), (1884, 869572), (2512, 652179), (3454, 474312), (3768, 434786), (5181, 316208), (6908, 237156), (7536, 217393), (10362, 158104), (13816, 118578), (19763, 82896), (20724, 79052), (27632, 59289), (39526, 41448)]