217377952

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 72

約数和(自身を含む): 485847936

約数和(自身を除く): 268469984

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 121, 124, 176, 242, 248, 341, 352, 484, 496, 682, 968, 992, 1364, 1811, 1936, 2728, 3622, 3751, 3872, 5456, 7244, 7502, 10912, 14488, 15004, 19921, 28976, 30008, 39842, 56141, 57952, 60016, 79684, 112282, 120032, 159368, 219131, 224564, 318736, 438262, 449128, 617551, 637472, 876524, 898256, 1235102, 1753048, 1796512, 2470204, 3506096, 4940408, 6793061, 7012192, 9880816, 13586122, 19761632, 27172244, 54344488, 108688976, 217377952]

約数ペア:

[(1, 217377952), (2, 108688976), (4, 54344488), (8, 27172244), (11, 19761632), (16, 13586122), (22, 9880816), (31, 7012192), (32, 6793061), (44, 4940408), (62, 3506096), (88, 2470204), (121, 1796512), (124, 1753048), (176, 1235102), (242, 898256), (248, 876524), (341, 637472), (352, 617551), (484, 449128), (496, 438262), (682, 318736), (968, 224564), (992, 219131), (1364, 159368), (1811, 120032), (1936, 112282), (2728, 79684), (3622, 60016), (3751, 57952), (3872, 56141), (5456, 39842), (7244, 30008), (7502, 28976), (10912, 19921), (14488, 15004)]