211048838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 427714560

約数和(自身を除く): 216665722

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 271, 286, 389, 542, 778, 1001, 1897, 2002, 2723, 2981, 3523, 3794, 4279, 5057, 5446, 5962, 7046, 8558, 10114, 20867, 24661, 29953, 35399, 38753, 41734, 49322, 55627, 59906, 70798, 77506, 105419, 111254, 210838, 271271, 389389, 542542, 737933, 778778, 1159609, 1370447, 1475866, 2319218, 2740894, 8117263, 9593129, 15074917, 16234526, 19186258, 30149834, 105524419, 211048838]

約数ペア:

[(1, 211048838), (2, 105524419), (7, 30149834), (11, 19186258), (13, 16234526), (14, 15074917), (22, 9593129), (26, 8117263), (77, 2740894), (91, 2319218), (143, 1475866), (154, 1370447), (182, 1159609), (271, 778778), (286, 737933), (389, 542542), (542, 389389), (778, 271271), (1001, 210838), (1897, 111254), (2002, 105419), (2723, 77506), (2981, 70798), (3523, 59906), (3794, 55627), (4279, 49322), (5057, 41734), (5446, 38753), (5962, 35399), (7046, 29953), (8558, 24661), (10114, 20867)]