199857434

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{2411}}^1$

素因数の和:2642

約数の個数: 32

約数和(自身を含む): 355663872

約数和(自身を除く): 155806438

約数列:

[1, 2, 7, 14, 31, 62, 191, 217, 382, 434, 1337, 2411, 2674, 4822, 5921, 11842, 16877, 33754, 41447, 74741, 82894, 149482, 460501, 523187, 921002, 1046374, 3223507, 6447014, 14275531, 28551062, 99928717, 199857434]

約数ペア:

[(1, 199857434), (2, 99928717), (7, 28551062), (14, 14275531), (31, 6447014), (62, 3223507), (191, 1046374), (217, 921002), (382, 523187), (434, 460501), (1337, 149482), (2411, 82894), (2674, 74741), (4822, 41447), (5921, 33754), (11842, 16877)]