138939892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 314603520

約数和(自身を除く): 175663628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1612, 1759, 2548, 2821, 3038, 3518, 5642, 6076, 7036, 11284, 12313, 19747, 22867, 24626, 39494, 45734, 49252, 54529, 78988, 86191, 91468, 109058, 160069, 172382, 218116, 320138, 344764, 381703, 640276, 708877, 763406, 1120483, 1417754, 1526812, 2240966, 2671921, 2835508, 4481932, 4962139, 5343842, 9924278, 10687684, 19848556, 34734973, 69469946, 138939892]

約数ペア:

[(1, 138939892), (2, 69469946), (4, 34734973), (7, 19848556), (13, 10687684), (14, 9924278), (26, 5343842), (28, 4962139), (31, 4481932), (49, 2835508), (52, 2671921), (62, 2240966), (91, 1526812), (98, 1417754), (124, 1120483), (182, 763406), (196, 708877), (217, 640276), (364, 381703), (403, 344764), (434, 320138), (637, 218116), (806, 172382), (868, 160069), (1274, 109058), (1519, 91468), (1612, 86191), (1759, 78988), (2548, 54529), (2821, 49252), (3038, 45734), (3518, 39494), (5642, 24626), (6076, 22867), (7036, 19747), (11284, 12313)]