20161031898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{2857}}^1$

素因数の和:3164

約数の個数: 128

約数和(自身を含む): 50044723200

約数和(自身を除く): 29883691302

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 239, 259, 266, 399, 478, 518, 703, 717, 777, 798, 1406, 1434, 1554, 1673, 2109, 2857, 3346, 4218, 4541, 4921, 5019, 5714, 8571, 8843, 9082, 9842, 10038, 13623, 14763, 17142, 17686, 19999, 26529, 27246, 29526, 31787, 39998, 53058, 54283, 59997, 61901, 63574, 95361, 105709, 108566, 119994, 123802, 162849, 168017, 185703, 190722, 211418, 317127, 325698, 336034, 371406, 379981, 504051, 634254, 682823, 739963, 759962, 1008102, 1139943, 1176119, 1365646, 1479926, 2008471, 2048469, 2219889, 2279886, 2352238, 3528357, 4016942, 4096938, 4439778, 4779761, 6025413, 7056714, 9559522, 12050826, 12973637, 14059297, 14339283, 25264451, 25947274, 28118594, 28678566, 38920911, 42177891, 50528902, 75793353, 77841822, 84355782, 90815459, 151586706, 176851157, 181630918, 272446377, 353702314, 480024569, 530553471, 544892754, 960049138, 1061106942, 1440073707, 2880147414, 3360171983, 6720343966, 10080515949, 20161031898]

約数ペア:

[(1, 20161031898), (2, 10080515949), (3, 6720343966), (6, 3360171983), (7, 2880147414), (14, 1440073707), (19, 1061106942), (21, 960049138), (37, 544892754), (38, 530553471), (42, 480024569), (57, 353702314), (74, 272446377), (111, 181630918), (114, 176851157), (133, 151586706), (222, 90815459), (239, 84355782), (259, 77841822), (266, 75793353), (399, 50528902), (478, 42177891), (518, 38920911), (703, 28678566), (717, 28118594), (777, 25947274), (798, 25264451), (1406, 14339283), (1434, 14059297), (1554, 12973637), (1673, 12050826), (2109, 9559522), (2857, 7056714), (3346, 6025413), (4218, 4779761), (4541, 4439778), (4921, 4096938), (5019, 4016942), (5714, 3528357), (8571, 2352238), (8843, 2279886), (9082, 2219889), (9842, 2048469), (10038, 2008471), (13623, 1479926), (14763, 1365646), (17142, 1176119), (17686, 1139943), (19999, 1008102), (26529, 759962), (27246, 739963), (29526, 682823), (31787, 634254), (39998, 504051), (53058, 379981), (54283, 371406), (59997, 336034), (61901, 325698), (63574, 317127), (95361, 211418), (105709, 190722), (108566, 185703), (119994, 168017), (123802, 162849)]