221029172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1617

約数の個数: 96

約数和(自身を含む): 526321152

約数和(自身を除く): 305291980

約数列:

[1, 2, 4, 7, 13, 14, 17, 23, 26, 28, 34, 46, 52, 68, 91, 92, 119, 161, 182, 221, 238, 299, 322, 364, 391, 442, 476, 598, 644, 782, 884, 1196, 1547, 1553, 1564, 2093, 2737, 3094, 3106, 4186, 5083, 5474, 6188, 6212, 8372, 10166, 10871, 10948, 20189, 20332, 21742, 26401, 35581, 35719, 40378, 43484, 52802, 71162, 71438, 80756, 105604, 141323, 142324, 142876, 184807, 250033, 282646, 343213, 369614, 464347, 500066, 565292, 607223, 686426, 739228, 928694, 1000132, 1214446, 1372852, 1857388, 2402491, 2428892, 3250429, 4250561, 4804982, 6500858, 7893899, 8501122, 9609964, 13001716, 15787798, 17002244, 31575596, 55257293, 110514586, 221029172]

約数ペア:

[(1, 221029172), (2, 110514586), (4, 55257293), (7, 31575596), (13, 17002244), (14, 15787798), (17, 13001716), (23, 9609964), (26, 8501122), (28, 7893899), (34, 6500858), (46, 4804982), (52, 4250561), (68, 3250429), (91, 2428892), (92, 2402491), (119, 1857388), (161, 1372852), (182, 1214446), (221, 1000132), (238, 928694), (299, 739228), (322, 686426), (364, 607223), (391, 565292), (442, 500066), (476, 464347), (598, 369614), (644, 343213), (782, 282646), (884, 250033), (1196, 184807), (1547, 142876), (1553, 142324), (1564, 141323), (2093, 105604), (2737, 80756), (3094, 71438), (3106, 71162), (4186, 52802), (5083, 43484), (5474, 40378), (6188, 35719), (6212, 35581), (8372, 26401), (10166, 21742), (10871, 20332), (10948, 20189)]