211783068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2539}}^1$

素因数の和:2887

約数の個数: 72

約数和(自身を含む): 613907840

約数和(自身を除く): 402124772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 662, 993, 1324, 1986, 2317, 2539, 2979, 3972, 4634, 5078, 5958, 6951, 7617, 9268, 10156, 11916, 13902, 15234, 17773, 20853, 22851, 27804, 30468, 35546, 41706, 45702, 53319, 71092, 83412, 91404, 106638, 159957, 213276, 319914, 639828, 840409, 1680818, 2521227, 3361636, 5042454, 5882863, 7563681, 10084908, 11765726, 15127362, 17648589, 23531452, 30254724, 35297178, 52945767, 70594356, 105891534, 211783068]

約数ペア:

[(1, 211783068), (2, 105891534), (3, 70594356), (4, 52945767), (6, 35297178), (7, 30254724), (9, 23531452), (12, 17648589), (14, 15127362), (18, 11765726), (21, 10084908), (28, 7563681), (36, 5882863), (42, 5042454), (63, 3361636), (84, 2521227), (126, 1680818), (252, 840409), (331, 639828), (662, 319914), (993, 213276), (1324, 159957), (1986, 106638), (2317, 91404), (2539, 83412), (2979, 71092), (3972, 53319), (4634, 45702), (5078, 41706), (5958, 35546), (6951, 30468), (7617, 27804), (9268, 22851), (10156, 20853), (11916, 17773), (13902, 15234)]