15780663724

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1\times {\mathrm{9199}}^1$

素因数の和:9718

約数の個数: 48

約数和(自身を含む): 31826995200

約数和(自身を除く): 16046331476

約数列:

[1, 2, 4, 7, 14, 28, 197, 311, 394, 622, 788, 1244, 1379, 2177, 2758, 4354, 5516, 8708, 9199, 18398, 36796, 61267, 64393, 122534, 128786, 245068, 257572, 428869, 857738, 1715476, 1812203, 2860889, 3624406, 5721778, 7248812, 11443556, 12685421, 20026223, 25370842, 40052446, 50741684, 80104892, 563595133, 1127190266, 2254380532, 3945165931, 7890331862, 15780663724]

約数ペア:

[(1, 15780663724), (2, 7890331862), (4, 3945165931), (7, 2254380532), (14, 1127190266), (28, 563595133), (197, 80104892), (311, 50741684), (394, 40052446), (622, 25370842), (788, 20026223), (1244, 12685421), (1379, 11443556), (2177, 7248812), (2758, 5721778), (4354, 3624406), (5516, 2860889), (8708, 1812203), (9199, 1715476), (18398, 857738), (36796, 428869), (61267, 257572), (64393, 245068), (122534, 128786)]