211991778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3583}}^1$

素因数の和:3783

約数の個数: 48

約数和(自身を含む): 486420480

約数和(自身を除く): 274428702

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 342, 346, 519, 1038, 1557, 3114, 3287, 3583, 6574, 7166, 9861, 10749, 19722, 21498, 29583, 32247, 59166, 64494, 68077, 136154, 204231, 408462, 612693, 619859, 1225386, 1239718, 1859577, 3719154, 5578731, 11157462, 11777321, 23554642, 35331963, 70663926, 105995889, 211991778]

約数ペア:

[(1, 211991778), (2, 105995889), (3, 70663926), (6, 35331963), (9, 23554642), (18, 11777321), (19, 11157462), (38, 5578731), (57, 3719154), (114, 1859577), (171, 1239718), (173, 1225386), (342, 619859), (346, 612693), (519, 408462), (1038, 204231), (1557, 136154), (3114, 68077), (3287, 64494), (3583, 59166), (6574, 32247), (7166, 29583), (9861, 21498), (10749, 19722)]