978917962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 1744934400

約数和(自身を除く): 766016438

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 107, 209, 214, 418, 473, 509, 817, 946, 1018, 1177, 1634, 2033, 2354, 4066, 4601, 5599, 8987, 9202, 9671, 11198, 17974, 19342, 21887, 22363, 43774, 44726, 50611, 54463, 87419, 101222, 106381, 108926, 174838, 212762, 240757, 415853, 481514, 599093, 831706, 961609, 1034797, 1198186, 1923218, 2069594, 2341909, 4574383, 4683818, 9148766, 11382767, 22765534, 25760999, 44496271, 51521998, 88992542, 489458981, 978917962]

約数ペア:

[(1, 978917962), (2, 489458981), (11, 88992542), (19, 51521998), (22, 44496271), (38, 25760999), (43, 22765534), (86, 11382767), (107, 9148766), (209, 4683818), (214, 4574383), (418, 2341909), (473, 2069594), (509, 1923218), (817, 1198186), (946, 1034797), (1018, 961609), (1177, 831706), (1634, 599093), (2033, 481514), (2354, 415853), (4066, 240757), (4601, 212762), (5599, 174838), (8987, 108926), (9202, 106381), (9671, 101222), (11198, 87419), (17974, 54463), (19342, 50611), (21887, 44726), (22363, 43774)]