28539186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 64339968

約数和(自身を除く): 35800782

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 67, 78, 86, 127, 129, 134, 201, 254, 258, 381, 402, 559, 762, 871, 1118, 1651, 1677, 1742, 2613, 2881, 3302, 3354, 4953, 5226, 5461, 5762, 8509, 8643, 9906, 10922, 16383, 17018, 17286, 25527, 32766, 37453, 51054, 70993, 74906, 110617, 112359, 141986, 212979, 221234, 224718, 331851, 365887, 425958, 663702, 731774, 1097661, 2195322, 4756531, 9513062, 14269593, 28539186]

約数ペア:

[(1, 28539186), (2, 14269593), (3, 9513062), (6, 4756531), (13, 2195322), (26, 1097661), (39, 731774), (43, 663702), (67, 425958), (78, 365887), (86, 331851), (127, 224718), (129, 221234), (134, 212979), (201, 141986), (254, 112359), (258, 110617), (381, 74906), (402, 70993), (559, 51054), (762, 37453), (871, 32766), (1118, 25527), (1651, 17286), (1677, 17018), (1742, 16383), (2613, 10922), (2881, 9906), (3302, 8643), (3354, 8509), (4953, 5762), (5226, 5461)]