661542778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{1009}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 1083237120

約数和(自身を除く): 421694342

約数列:

[1, 2, 13, 26, 151, 167, 302, 334, 1009, 1963, 2018, 2171, 3926, 4342, 13117, 25217, 26234, 50434, 152359, 168503, 304718, 327821, 337006, 655642, 1980667, 2190539, 3961334, 4381078, 25443953, 50887906, 330771389, 661542778]

約数ペア:

[(1, 661542778), (2, 330771389), (13, 50887906), (26, 25443953), (151, 4381078), (167, 3961334), (302, 2190539), (334, 1980667), (1009, 655642), (1963, 337006), (2018, 327821), (2171, 304718), (3926, 168503), (4342, 152359), (13117, 50434), (25217, 26234)]