651690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 1828008

約数和(自身を除く): 1176318

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 557, 585, 1114, 1170, 1671, 2785, 3342, 5013, 5570, 7241, 8355, 10026, 14482, 16710, 21723, 25065, 36205, 43446, 50130, 65169, 72410, 108615, 130338, 217230, 325845, 651690]

約数ペア:

[(1, 651690), (2, 325845), (3, 217230), (5, 130338), (6, 108615), (9, 72410), (10, 65169), (13, 50130), (15, 43446), (18, 36205), (26, 25065), (30, 21723), (39, 16710), (45, 14482), (65, 10026), (78, 8355), (90, 7241), (117, 5570), (130, 5013), (195, 3342), (234, 2785), (390, 1671), (557, 1170), (585, 1114)]