451355905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 745023744

約数和(自身を除く): 293667839

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 169, 245, 385, 455, 539, 637, 715, 845, 991, 1001, 1183, 1859, 2695, 3185, 4955, 5005, 5915, 6937, 7007, 8281, 9295, 10901, 12883, 13013, 34685, 35035, 41405, 48559, 54505, 64415, 65065, 76307, 90181, 91091, 141713, 167479, 242795, 381535, 450905, 455455, 534149, 631267, 708565, 837395, 991991, 1172353, 1842269, 2670745, 3156335, 4959955, 5861765, 6943937, 8206471, 9211345, 12895883, 34719685, 41032355, 64479415, 90271181, 451355905]

約数ペア:

[(1, 451355905), (5, 90271181), (7, 64479415), (11, 41032355), (13, 34719685), (35, 12895883), (49, 9211345), (55, 8206471), (65, 6943937), (77, 5861765), (91, 4959955), (143, 3156335), (169, 2670745), (245, 1842269), (385, 1172353), (455, 991991), (539, 837395), (637, 708565), (715, 631267), (845, 534149), (991, 455455), (1001, 450905), (1183, 381535), (1859, 242795), (2695, 167479), (3185, 141713), (4955, 91091), (5005, 90181), (5915, 76307), (6937, 65065), (7007, 64415), (8281, 54505), (9295, 48559), (10901, 41405), (12883, 35035), (13013, 34685)]