199901896

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{3739}}^1$

素因数の和:3949

約数の個数: 32

約数和(自身を含む): 386416800

約数和(自身を除く): 186514904

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 652, 1304, 3739, 6683, 7478, 13366, 14956, 26732, 29912, 53464, 153299, 306598, 609457, 613196, 1218914, 1226392, 2437828, 4875656, 24987737, 49975474, 99950948, 199901896]

約数ペア:

[(1, 199901896), (2, 99950948), (4, 49975474), (8, 24987737), (41, 4875656), (82, 2437828), (163, 1226392), (164, 1218914), (326, 613196), (328, 609457), (652, 306598), (1304, 153299), (3739, 53464), (6683, 29912), (7478, 26732), (13366, 14956)]