221401752

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 671569920

約数和(自身を除く): 450168168

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 312, 341, 372, 403, 429, 572, 682, 744, 806, 858, 1023, 1144, 1209, 1364, 1612, 1716, 2046, 2081, 2418, 2728, 3224, 3432, 4092, 4162, 4433, 4836, 6243, 8184, 8324, 8866, 9672, 12486, 13299, 16648, 17732, 22891, 24972, 26598, 27053, 35464, 45782, 49944, 53196, 54106, 64511, 68673, 81159, 91564, 106392, 108212, 129022, 137346, 162318, 183128, 193533, 216424, 258044, 274692, 297583, 324636, 387066, 516088, 549384, 595166, 649272, 709621, 774132, 838643, 892749, 1190332, 1419242, 1548264, 1677286, 1785498, 2128863, 2380664, 2515929, 2838484, 3354572, 3570996, 4257726, 5031858, 5676968, 6709144, 7141992, 8515452, 9225073, 10063716, 17030904, 18450146, 20127432, 27675219, 36900292, 55350438, 73800584, 110700876, 221401752]

約数ペア:

[(1, 221401752), (2, 110700876), (3, 73800584), (4, 55350438), (6, 36900292), (8, 27675219), (11, 20127432), (12, 18450146), (13, 17030904), (22, 10063716), (24, 9225073), (26, 8515452), (31, 7141992), (33, 6709144), (39, 5676968), (44, 5031858), (52, 4257726), (62, 3570996), (66, 3354572), (78, 2838484), (88, 2515929), (93, 2380664), (104, 2128863), (124, 1785498), (132, 1677286), (143, 1548264), (156, 1419242), (186, 1190332), (248, 892749), (264, 838643), (286, 774132), (312, 709621), (341, 649272), (372, 595166), (403, 549384), (429, 516088), (572, 387066), (682, 324636), (744, 297583), (806, 274692), (858, 258044), (1023, 216424), (1144, 193533), (1209, 183128), (1364, 162318), (1612, 137346), (1716, 129022), (2046, 108212), (2081, 106392), (2418, 91564), (2728, 81159), (3224, 68673), (3432, 64511), (4092, 54106), (4162, 53196), (4433, 49944), (4836, 45782), (6243, 35464), (8184, 27053), (8324, 26598), (8866, 24972), (9672, 22891), (12486, 17732), (13299, 16648)]