71872452

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 187125120

約数和(自身を除く): 115252668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 139, 159, 212, 271, 278, 318, 417, 477, 542, 556, 636, 813, 834, 954, 1084, 1251, 1626, 1668, 1908, 2439, 2502, 3252, 4878, 5004, 7367, 9756, 14363, 14734, 22101, 28726, 29468, 37669, 43089, 44202, 57452, 66303, 75338, 86178, 88404, 113007, 129267, 132606, 150676, 172356, 226014, 258534, 265212, 339021, 452028, 517068, 678042, 1356084, 1996457, 3992914, 5989371, 7985828, 11978742, 17968113, 23957484, 35936226, 71872452]

約数ペア:

[(1, 71872452), (2, 35936226), (3, 23957484), (4, 17968113), (6, 11978742), (9, 7985828), (12, 5989371), (18, 3992914), (36, 1996457), (53, 1356084), (106, 678042), (139, 517068), (159, 452028), (212, 339021), (271, 265212), (278, 258534), (318, 226014), (417, 172356), (477, 150676), (542, 132606), (556, 129267), (636, 113007), (813, 88404), (834, 86178), (954, 75338), (1084, 66303), (1251, 57452), (1626, 44202), (1668, 43089), (1908, 37669), (2439, 29468), (2502, 28726), (3252, 22101), (4878, 14734), (5004, 14363), (7367, 9756)]