211399382005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{28771}}^1$

素因数の和:29086

約数の個数: 64

約数和(自身を含む): 314118425088

約数和(自身を除く): 102719043083

約数列:

[1, 5, 7, 17, 35, 53, 85, 119, 233, 265, 371, 595, 901, 1165, 1631, 1855, 3961, 4505, 6307, 8155, 12349, 19805, 27727, 28771, 31535, 61745, 86443, 138635, 143855, 201397, 209933, 432215, 489107, 1006985, 1049665, 1469531, 1524863, 2445535, 3423749, 6703643, 7347655, 7624315, 10674041, 17118745, 25922671, 33518215, 46925501, 53370205, 113961931, 129613355, 181458697, 234627505, 355293079, 569809655, 797733517, 907293485, 1776465395, 2487051553, 3988667585, 6039982343, 12435257765, 30199911715, 42279876401, 211399382005]

約数ペア:

[(1, 211399382005), (5, 42279876401), (7, 30199911715), (17, 12435257765), (35, 6039982343), (53, 3988667585), (85, 2487051553), (119, 1776465395), (233, 907293485), (265, 797733517), (371, 569809655), (595, 355293079), (901, 234627505), (1165, 181458697), (1631, 129613355), (1855, 113961931), (3961, 53370205), (4505, 46925501), (6307, 33518215), (8155, 25922671), (12349, 17118745), (19805, 10674041), (27727, 7624315), (28771, 7347655), (31535, 6703643), (61745, 3423749), (86443, 2445535), (138635, 1524863), (143855, 1469531), (201397, 1049665), (209933, 1006985), (432215, 489107)]