28070438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 20037082

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 521, 682, 869, 1042, 1738, 2449, 4898, 5731, 11462, 16151, 26939, 32302, 41159, 53878, 82318, 177661, 355322, 452749, 905498, 1275929, 2551858, 14035219, 28070438]

約数ペア:

[(1, 28070438), (2, 14035219), (11, 2551858), (22, 1275929), (31, 905498), (62, 452749), (79, 355322), (158, 177661), (341, 82318), (521, 53878), (682, 41159), (869, 32302), (1042, 26939), (1738, 16151), (2449, 11462), (4898, 5731)]