38153895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 70447104

約数和(自身を除く): 32293209

約数列:

[1, 3, 5, 13, 15, 23, 39, 47, 65, 69, 115, 141, 181, 195, 235, 299, 345, 543, 611, 705, 897, 905, 1081, 1495, 1833, 2353, 2715, 3055, 3243, 4163, 4485, 5405, 7059, 8507, 9165, 11765, 12489, 14053, 16215, 20815, 25521, 35295, 42159, 42535, 54119, 62445, 70265, 110591, 127605, 162357, 195661, 210795, 270595, 331773, 552955, 586983, 811785, 978305, 1658865, 2543593, 2934915, 7630779, 12717965, 38153895]

約数ペア:

[(1, 38153895), (3, 12717965), (5, 7630779), (13, 2934915), (15, 2543593), (23, 1658865), (39, 978305), (47, 811785), (65, 586983), (69, 552955), (115, 331773), (141, 270595), (181, 210795), (195, 195661), (235, 162357), (299, 127605), (345, 110591), (543, 70265), (611, 62445), (705, 54119), (897, 42535), (905, 42159), (1081, 35295), (1495, 25521), (1833, 20815), (2353, 16215), (2715, 14053), (3055, 12489), (3243, 11765), (4163, 9165), (4485, 8507), (5405, 7059)]