778021218

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{195581}}^1$

素因数の和:195619

約数の個数: 48

約数和(自身を含む): 1922179896

約数和(自身を除く): 1144158678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 195581, 391162, 586743, 1173486, 1760229, 2542553, 3324877, 3520458, 5085106, 6649754, 7627659, 9974631, 15255318, 19949262, 22882977, 29923893, 43223401, 45765954, 59847786, 86446802, 129670203, 259340406, 389010609, 778021218]

約数ペア:

[(1, 778021218), (2, 389010609), (3, 259340406), (6, 129670203), (9, 86446802), (13, 59847786), (17, 45765954), (18, 43223401), (26, 29923893), (34, 22882977), (39, 19949262), (51, 15255318), (78, 9974631), (102, 7627659), (117, 6649754), (153, 5085106), (221, 3520458), (234, 3324877), (306, 2542553), (442, 1760229), (663, 1173486), (1326, 586743), (1989, 391162), (3978, 195581)]