638379546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127727}}^1$

素因数の和:127763

約数の個数: 48

約数和(自身を含む): 1572587136

約数和(自身を除く): 934207590

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4998, 127727, 255454, 383181, 766362, 894089, 1788178, 2171359, 2682267, 4342718, 5364534, 6258623, 6514077, 12517246, 13028154, 15199513, 18775869, 30399026, 37551738, 45598539, 91197078, 106396591, 212793182, 319189773, 638379546]

約数ペア:

[(1, 638379546), (2, 319189773), (3, 212793182), (6, 106396591), (7, 91197078), (14, 45598539), (17, 37551738), (21, 30399026), (34, 18775869), (42, 15199513), (49, 13028154), (51, 12517246), (98, 6514077), (102, 6258623), (119, 5364534), (147, 4342718), (238, 2682267), (294, 2171359), (357, 1788178), (714, 894089), (833, 766362), (1666, 383181), (2499, 255454), (4998, 127727)]