28503306

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 71836800

約数和(自身を除く): 43333494

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 2137, 2223, 4274, 4446, 6411, 6669, 12822, 13338, 19233, 27781, 38466, 40603, 55562, 57699, 81206, 83343, 115398, 121809, 166686, 243618, 250029, 365427, 500058, 527839, 730854, 750087, 1055678, 1096281, 1500174, 1583517, 2192562, 3167034, 4750551, 9501102, 14251653, 28503306]

約数ペア:

[(1, 28503306), (2, 14251653), (3, 9501102), (6, 4750551), (9, 3167034), (13, 2192562), (18, 1583517), (19, 1500174), (26, 1096281), (27, 1055678), (38, 750087), (39, 730854), (54, 527839), (57, 500058), (78, 365427), (114, 250029), (117, 243618), (171, 166686), (234, 121809), (247, 115398), (342, 83343), (351, 81206), (494, 57699), (513, 55562), (702, 40603), (741, 38466), (1026, 27781), (1482, 19233), (2137, 13338), (2223, 12822), (4274, 6669), (4446, 6411)]