27971306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 49014720

約数和(自身を除く): 21043414

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 1097, 1159, 1342, 2194, 2318, 12067, 12749, 20843, 24134, 25498, 41686, 66917, 133834, 229273, 458546, 736087, 1271423, 1472174, 2542846, 13985653, 27971306]

約数ペア:

[(1, 27971306), (2, 13985653), (11, 2542846), (19, 1472174), (22, 1271423), (38, 736087), (61, 458546), (122, 229273), (209, 133834), (418, 66917), (671, 41686), (1097, 25498), (1159, 24134), (1342, 20843), (2194, 12749), (2318, 12067)]