1301008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 2706176

約数和(自身を除く): 1405168

約数列:

[1, 2, 4, 8, 16, 31, 43, 61, 62, 86, 122, 124, 172, 244, 248, 344, 488, 496, 688, 976, 1333, 1891, 2623, 2666, 3782, 5246, 5332, 7564, 10492, 10664, 15128, 20984, 21328, 30256, 41968, 81313, 162626, 325252, 650504, 1301008]

約数ペア:

[(1, 1301008), (2, 650504), (4, 325252), (8, 162626), (16, 81313), (31, 41968), (43, 30256), (61, 21328), (62, 20984), (86, 15128), (122, 10664), (124, 10492), (172, 7564), (244, 5332), (248, 5246), (344, 3782), (488, 2666), (496, 2623), (688, 1891), (976, 1333)]