28048644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 77494872

約数和(自身を除く): 49446228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 821, 876, 949, 1314, 1642, 1898, 2463, 2628, 2847, 3284, 3796, 4926, 5694, 7389, 8541, 9852, 10673, 11388, 14778, 17082, 21346, 29556, 32019, 34164, 42692, 59933, 64038, 96057, 119866, 128076, 179799, 192114, 239732, 359598, 384228, 539397, 719196, 779129, 1078794, 1558258, 2157588, 2337387, 3116516, 4674774, 7012161, 9349548, 14024322, 28048644]

約数ペア:

[(1, 28048644), (2, 14024322), (3, 9349548), (4, 7012161), (6, 4674774), (9, 3116516), (12, 2337387), (13, 2157588), (18, 1558258), (26, 1078794), (36, 779129), (39, 719196), (52, 539397), (73, 384228), (78, 359598), (117, 239732), (146, 192114), (156, 179799), (219, 128076), (234, 119866), (292, 96057), (438, 64038), (468, 59933), (657, 42692), (821, 34164), (876, 32019), (949, 29556), (1314, 21346), (1642, 17082), (1898, 14778), (2463, 11388), (2628, 10673), (2847, 9852), (3284, 8541), (3796, 7389), (4926, 5694)]