81300212

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 173210688

約数和(自身を除く): 91910476

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 67, 82, 98, 134, 151, 164, 196, 268, 287, 302, 469, 574, 604, 938, 1057, 1148, 1876, 2009, 2114, 2747, 3283, 4018, 4228, 5494, 6191, 6566, 7399, 8036, 10117, 10988, 12382, 13132, 14798, 19229, 20234, 24764, 29596, 38458, 40468, 43337, 70819, 76916, 86674, 134603, 141638, 173348, 269206, 283276, 303359, 414797, 495733, 538412, 606718, 829594, 991466, 1213436, 1659188, 1982932, 2903579, 5807158, 11614316, 20325053, 40650106, 81300212]

約数ペア:

[(1, 81300212), (2, 40650106), (4, 20325053), (7, 11614316), (14, 5807158), (28, 2903579), (41, 1982932), (49, 1659188), (67, 1213436), (82, 991466), (98, 829594), (134, 606718), (151, 538412), (164, 495733), (196, 414797), (268, 303359), (287, 283276), (302, 269206), (469, 173348), (574, 141638), (604, 134603), (938, 86674), (1057, 76916), (1148, 70819), (1876, 43337), (2009, 40468), (2114, 38458), (2747, 29596), (3283, 24764), (4018, 20234), (4228, 19229), (5494, 14798), (6191, 13132), (6566, 12382), (7399, 10988), (8036, 10117)]