998889745672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3421699}}^1$

素因数の和:3422126

約数の個数: 64

約数和(自身を含む): 2310879312000

約数和(自身を除く): 1311989566328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 401, 728, 802, 1604, 2807, 3208, 5213, 5614, 10426, 11228, 20852, 22456, 36491, 41704, 72982, 145964, 291928, 3421699, 6843398, 13686796, 23951893, 27373592, 44482087, 47903786, 88964174, 95807572, 177928348, 191615144, 311374609, 355856696, 622749218, 1245498436, 1372101299, 2490996872, 2744202598, 5488405196, 9604709093, 10976810392, 17837316887, 19209418186, 35674633774, 38418836372, 71349267548, 76837672744, 124861218209, 142698535096, 249722436418, 499444872836, 998889745672]

約数ペア:

[(1, 998889745672), (2, 499444872836), (4, 249722436418), (7, 142698535096), (8, 124861218209), (13, 76837672744), (14, 71349267548), (26, 38418836372), (28, 35674633774), (52, 19209418186), (56, 17837316887), (91, 10976810392), (104, 9604709093), (182, 5488405196), (364, 2744202598), (401, 2490996872), (728, 1372101299), (802, 1245498436), (1604, 622749218), (2807, 355856696), (3208, 311374609), (5213, 191615144), (5614, 177928348), (10426, 95807572), (11228, 88964174), (20852, 47903786), (22456, 44482087), (36491, 27373592), (41704, 23951893), (72982, 13686796), (145964, 6843398), (291928, 3421699)]