1642679168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1373}}^1$

素因数の和:2119

約数の個数: 64

約数和(自身を含む): 3531729600

約数和(自身を除く): 1889050432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 719, 832, 1373, 1438, 1664, 2746, 2876, 5492, 5752, 9347, 10984, 11504, 17849, 18694, 21968, 23008, 35698, 37388, 43936, 46016, 71396, 74776, 87872, 92032, 142792, 149552, 175744, 285584, 299104, 571168, 598208, 987187, 1142336, 1196416, 1974374, 2284672, 3948748, 7897496, 12833431, 15794992, 25666862, 31589984, 51333724, 63179968, 102667448, 126359936, 205334896, 410669792, 821339584, 1642679168]

約数ペア:

[(1, 1642679168), (2, 821339584), (4, 410669792), (8, 205334896), (13, 126359936), (16, 102667448), (26, 63179968), (32, 51333724), (52, 31589984), (64, 25666862), (104, 15794992), (128, 12833431), (208, 7897496), (416, 3948748), (719, 2284672), (832, 1974374), (1373, 1196416), (1438, 1142336), (1664, 987187), (2746, 598208), (2876, 571168), (5492, 299104), (5752, 285584), (9347, 175744), (10984, 149552), (11504, 142792), (17849, 92032), (18694, 87872), (21968, 74776), (23008, 71396), (35698, 46016), (37388, 43936)]