218509564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 481615008

約数和(自身を除く): 263105444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 169, 182, 244, 338, 364, 427, 676, 757, 793, 854, 1183, 1514, 1586, 1708, 2366, 3028, 3172, 4732, 5299, 5551, 9841, 10309, 10598, 11102, 19682, 20618, 21196, 22204, 39364, 41236, 46177, 68887, 72163, 92354, 127933, 137774, 144326, 184708, 255866, 275548, 288652, 323239, 511732, 600301, 646478, 895531, 1200602, 1292956, 1791062, 2401204, 3582124, 4202107, 7803913, 8404214, 15607826, 16808428, 31215652, 54627391, 109254782, 218509564]

約数ペア:

[(1, 218509564), (2, 109254782), (4, 54627391), (7, 31215652), (13, 16808428), (14, 15607826), (26, 8404214), (28, 7803913), (52, 4202107), (61, 3582124), (91, 2401204), (122, 1791062), (169, 1292956), (182, 1200602), (244, 895531), (338, 646478), (364, 600301), (427, 511732), (676, 323239), (757, 288652), (793, 275548), (854, 255866), (1183, 184708), (1514, 144326), (1586, 137774), (1708, 127933), (2366, 92354), (3028, 72163), (3172, 68887), (4732, 46177), (5299, 41236), (5551, 39364), (9841, 22204), (10309, 21196), (10598, 20618), (11102, 19682)]