28191790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 58260384

約数和(自身を除く): 30068594

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1013, 1210, 1265, 2026, 2530, 2783, 5065, 5566, 10130, 11143, 13915, 22286, 23299, 27830, 46598, 55715, 111430, 116495, 122573, 232990, 245146, 256289, 512578, 612865, 1225730, 1281445, 2562890, 2819179, 5638358, 14095895, 28191790]

約数ペア:

[(1, 28191790), (2, 14095895), (5, 5638358), (10, 2819179), (11, 2562890), (22, 1281445), (23, 1225730), (46, 612865), (55, 512578), (110, 256289), (115, 245146), (121, 232990), (230, 122573), (242, 116495), (253, 111430), (506, 55715), (605, 46598), (1013, 27830), (1210, 23299), (1265, 22286), (2026, 13915), (2530, 11143), (2783, 10130), (5065, 5566)]