221664784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 484540416

約数和(自身を除く): 262875632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 127, 176, 188, 211, 254, 376, 422, 508, 517, 752, 844, 1016, 1034, 1397, 1688, 2032, 2068, 2321, 2794, 3376, 4136, 4642, 5588, 5969, 8272, 9284, 9917, 11176, 11938, 18568, 19834, 22352, 23876, 26797, 37136, 39668, 47752, 53594, 65659, 79336, 95504, 107188, 109087, 131318, 158672, 214376, 218174, 262636, 294767, 428752, 436348, 525272, 589534, 872696, 1050544, 1179068, 1259459, 1745392, 2358136, 2518918, 4716272, 5037836, 10075672, 13854049, 20151344, 27708098, 55416196, 110832392, 221664784]

約数ペア:

[(1, 221664784), (2, 110832392), (4, 55416196), (8, 27708098), (11, 20151344), (16, 13854049), (22, 10075672), (44, 5037836), (47, 4716272), (88, 2518918), (94, 2358136), (127, 1745392), (176, 1259459), (188, 1179068), (211, 1050544), (254, 872696), (376, 589534), (422, 525272), (508, 436348), (517, 428752), (752, 294767), (844, 262636), (1016, 218174), (1034, 214376), (1397, 158672), (1688, 131318), (2032, 109087), (2068, 107188), (2321, 95504), (2794, 79336), (3376, 65659), (4136, 53594), (4642, 47752), (5588, 39668), (5969, 37136), (8272, 26797), (9284, 23876), (9917, 22352), (11176, 19834), (11938, 18568)]