199933415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 272332800

約数和(自身を除く): 72399385

約数列:

[1, 5, 11, 31, 55, 149, 155, 341, 745, 787, 1639, 1705, 3935, 4619, 8195, 8657, 23095, 24397, 43285, 50809, 117263, 121985, 254045, 268367, 586315, 1289893, 1341835, 3635153, 6449465, 18175765, 39986683, 199933415]

約数ペア:

[(1, 199933415), (5, 39986683), (11, 18175765), (31, 6449465), (55, 3635153), (149, 1341835), (155, 1289893), (341, 586315), (745, 268367), (787, 254045), (1639, 121985), (1705, 117263), (3935, 50809), (4619, 43285), (8195, 24397), (8657, 23095)]