81885351884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1\times {\mathrm{37273}}^1$

素因数の和:39846

約数の個数: 48

約数和(自身を含む): 169124960256

約数和(自身を除く): 87239608372

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2531, 5062, 10124, 17717, 35434, 37273, 70868, 74546, 78461, 149092, 156922, 260911, 313844, 521822, 549227, 1043644, 1098454, 1155463, 2196908, 2310926, 4621852, 8088241, 16176482, 32352964, 94337963, 188675926, 377351852, 660365741, 1320731482, 2641462964, 2924476853, 5848953706, 11697907412, 20471337971, 40942675942, 81885351884]

約数ペア:

[(1, 81885351884), (2, 40942675942), (4, 20471337971), (7, 11697907412), (14, 5848953706), (28, 2924476853), (31, 2641462964), (62, 1320731482), (124, 660365741), (217, 377351852), (434, 188675926), (868, 94337963), (2531, 32352964), (5062, 16176482), (10124, 8088241), (17717, 4621852), (35434, 2310926), (37273, 2196908), (70868, 1155463), (74546, 1098454), (78461, 1043644), (149092, 549227), (156922, 521822), (260911, 313844)]