278756244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2671}}^1$

素因数の和:2917

約数の個数: 72

約数和(自身を含む): 762524672

約数和(自身を除く): 483768428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 223, 234, 446, 468, 669, 892, 1338, 2007, 2671, 2676, 2899, 4014, 5342, 5798, 8013, 8028, 8697, 10684, 11596, 16026, 17394, 24039, 26091, 32052, 34723, 34788, 48078, 52182, 69446, 96156, 104169, 104364, 138892, 208338, 312507, 416676, 595633, 625014, 1191266, 1250028, 1786899, 2382532, 3573798, 5360697, 7147596, 7743229, 10721394, 15486458, 21442788, 23229687, 30972916, 46459374, 69689061, 92918748, 139378122, 278756244]

約数ペア:

[(1, 278756244), (2, 139378122), (3, 92918748), (4, 69689061), (6, 46459374), (9, 30972916), (12, 23229687), (13, 21442788), (18, 15486458), (26, 10721394), (36, 7743229), (39, 7147596), (52, 5360697), (78, 3573798), (117, 2382532), (156, 1786899), (223, 1250028), (234, 1191266), (446, 625014), (468, 595633), (669, 416676), (892, 312507), (1338, 208338), (2007, 138892), (2671, 104364), (2676, 104169), (2899, 96156), (4014, 69446), (5342, 52182), (5798, 48078), (8013, 34788), (8028, 34723), (8697, 32052), (10684, 26091), (11596, 24039), (16026, 17394)]