205786768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 465505920

約数和(自身を除く): 259719152

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 109, 136, 176, 187, 218, 272, 374, 436, 631, 748, 872, 1199, 1262, 1496, 1744, 1853, 2398, 2524, 2992, 3706, 4796, 5048, 6941, 7412, 9592, 10096, 10727, 13882, 14824, 19184, 20383, 21454, 27764, 29648, 40766, 42908, 55528, 68779, 81532, 85816, 111056, 117997, 137558, 163064, 171632, 235994, 275116, 326128, 471988, 550232, 756569, 943976, 1100464, 1169243, 1513138, 1887952, 2338486, 3026276, 4676972, 6052552, 9353944, 12105104, 12861673, 18707888, 25723346, 51446692, 102893384, 205786768]

約数ペア:

[(1, 205786768), (2, 102893384), (4, 51446692), (8, 25723346), (11, 18707888), (16, 12861673), (17, 12105104), (22, 9353944), (34, 6052552), (44, 4676972), (68, 3026276), (88, 2338486), (109, 1887952), (136, 1513138), (176, 1169243), (187, 1100464), (218, 943976), (272, 756569), (374, 550232), (436, 471988), (631, 326128), (748, 275116), (872, 235994), (1199, 171632), (1262, 163064), (1496, 137558), (1744, 117997), (1853, 111056), (2398, 85816), (2524, 81532), (2992, 68779), (3706, 55528), (4796, 42908), (5048, 40766), (6941, 29648), (7412, 27764), (9592, 21454), (10096, 20383), (10727, 19184), (13882, 14824)]