1320403805

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{1877}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 1838937600

約数和(自身を除く): 518533795

約数列:

[1, 5, 7, 35, 101, 199, 505, 707, 995, 1393, 1877, 3535, 6965, 9385, 13139, 20099, 65695, 100495, 140693, 189577, 373523, 703465, 947885, 1327039, 1867615, 2614661, 6635195, 13073305, 37725823, 188629115, 264080761, 1320403805]

約数ペア:

[(1, 1320403805), (5, 264080761), (7, 188629115), (35, 37725823), (101, 13073305), (199, 6635195), (505, 2614661), (707, 1867615), (995, 1327039), (1393, 947885), (1877, 703465), (3535, 373523), (6965, 189577), (9385, 140693), (13139, 100495), (20099, 65695)]