163205668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 311879680

約数和(自身を除く): 148674012

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 127, 148, 254, 457, 508, 703, 914, 1406, 1828, 2413, 2812, 4699, 4826, 8683, 9398, 9652, 16909, 17366, 18796, 33818, 34732, 58039, 67636, 89281, 116078, 178562, 232156, 321271, 357124, 642542, 1102741, 1285084, 2147443, 2205482, 4294886, 4410964, 8589772, 40801417, 81602834, 163205668]

約数ペア:

[(1, 163205668), (2, 81602834), (4, 40801417), (19, 8589772), (37, 4410964), (38, 4294886), (74, 2205482), (76, 2147443), (127, 1285084), (148, 1102741), (254, 642542), (457, 357124), (508, 321271), (703, 232156), (914, 178562), (1406, 116078), (1828, 89281), (2413, 67636), (2812, 58039), (4699, 34732), (4826, 33818), (8683, 18796), (9398, 17366), (9652, 16909)]