205428470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{3413}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 399192192

約数和(自身を除く): 193763722

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 463, 926, 2315, 3413, 4630, 6019, 6826, 12038, 17065, 30095, 34130, 44369, 60190, 88738, 221845, 443690, 1580219, 3160438, 7901095, 15802190, 20542847, 41085694, 102714235, 205428470]

約数ペア:

[(1, 205428470), (2, 102714235), (5, 41085694), (10, 20542847), (13, 15802190), (26, 7901095), (65, 3160438), (130, 1580219), (463, 443690), (926, 221845), (2315, 88738), (3413, 60190), (4630, 44369), (6019, 34130), (6826, 30095), (12038, 17065)]