187639504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{17021}}^1$

素因数の和:17095

約数の個数: 40

約数和(自身を含む): 398927592

約数和(自身を除く): 211288088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 17021, 34042, 68084, 136168, 221273, 272336, 442546, 885092, 902113, 1770184, 1804226, 3540368, 3608452, 7216904, 11727469, 14433808, 23454938, 46909876, 93819752, 187639504]

約数ペア:

[(1, 187639504), (2, 93819752), (4, 46909876), (8, 23454938), (13, 14433808), (16, 11727469), (26, 7216904), (52, 3608452), (53, 3540368), (104, 1804226), (106, 1770184), (208, 902113), (212, 885092), (424, 442546), (689, 272336), (848, 221273), (1378, 136168), (2756, 68084), (5512, 34042), (11024, 17021)]