221123084

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{86783}}^1$

素因数の和:86814

約数の個数: 36

約数和(自身を含む): 484775424

約数和(自身を除く): 263652340

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 86783, 173566, 347132, 607481, 1128179, 1214962, 2256358, 2429924, 4252367, 4512716, 7897253, 8504734, 15794506, 17009468, 31589012, 55280771, 110561542, 221123084]

約数ペア:

[(1, 221123084), (2, 110561542), (4, 55280771), (7, 31589012), (13, 17009468), (14, 15794506), (26, 8504734), (28, 7897253), (49, 4512716), (52, 4252367), (91, 2429924), (98, 2256358), (182, 1214962), (196, 1128179), (364, 607481), (637, 347132), (1274, 173566), (2548, 86783)]