3991879970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{4229}}^1$

素因数の和:4439

約数の個数: 64

約数和(自身を含む): 7943533920

約数和(自身を除く): 3951653950

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 137, 265, 274, 530, 685, 689, 1370, 1378, 1781, 3445, 3562, 4229, 6890, 7261, 8458, 8905, 14522, 17810, 21145, 36305, 42290, 54977, 72610, 94393, 109954, 188786, 224137, 274885, 448274, 471965, 549770, 579373, 943930, 1120685, 1158746, 2241370, 2896865, 2913781, 5793730, 5827562, 7531849, 14568905, 15063698, 29137810, 30706769, 37659245, 61413538, 75318490, 153533845, 307067690, 399187997, 798375994, 1995939985, 3991879970]

約数ペア:

[(1, 3991879970), (2, 1995939985), (5, 798375994), (10, 399187997), (13, 307067690), (26, 153533845), (53, 75318490), (65, 61413538), (106, 37659245), (130, 30706769), (137, 29137810), (265, 15063698), (274, 14568905), (530, 7531849), (685, 5827562), (689, 5793730), (1370, 2913781), (1378, 2896865), (1781, 2241370), (3445, 1158746), (3562, 1120685), (4229, 943930), (6890, 579373), (7261, 549770), (8458, 471965), (8905, 448274), (14522, 274885), (17810, 224137), (21145, 188786), (36305, 109954), (42290, 94393), (54977, 72610)]