645947028

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18517}}^1$

素因数の和:18566

約数の個数: 96

約数和(自身を含む): 1866614400

約数和(自身を除く): 1220667372

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 102, 108, 114, 153, 171, 204, 228, 306, 323, 342, 459, 513, 612, 646, 684, 918, 969, 1026, 1292, 1836, 1938, 2052, 2907, 3876, 5814, 8721, 11628, 17442, 18517, 34884, 37034, 55551, 74068, 111102, 166653, 222204, 314789, 333306, 351823, 499959, 629578, 666612, 703646, 944367, 999918, 1055469, 1259156, 1407292, 1888734, 1999836, 2110938, 2833101, 3166407, 3777468, 4221876, 5666202, 5980991, 6332814, 8499303, 9499221, 11332404, 11961982, 12665628, 16998606, 17942973, 18998442, 23923964, 33997212, 35885946, 37996884, 53828919, 71771892, 107657838, 161486757, 215315676, 322973514, 645947028]

約数ペア:

[(1, 645947028), (2, 322973514), (3, 215315676), (4, 161486757), (6, 107657838), (9, 71771892), (12, 53828919), (17, 37996884), (18, 35885946), (19, 33997212), (27, 23923964), (34, 18998442), (36, 17942973), (38, 16998606), (51, 12665628), (54, 11961982), (57, 11332404), (68, 9499221), (76, 8499303), (102, 6332814), (108, 5980991), (114, 5666202), (153, 4221876), (171, 3777468), (204, 3166407), (228, 2833101), (306, 2110938), (323, 1999836), (342, 1888734), (459, 1407292), (513, 1259156), (612, 1055469), (646, 999918), (684, 944367), (918, 703646), (969, 666612), (1026, 629578), (1292, 499959), (1836, 351823), (1938, 333306), (2052, 314789), (2907, 222204), (3876, 166653), (5814, 111102), (8721, 74068), (11628, 55551), (17442, 37034), (18517, 34884)]