28209936

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 77995008

約数和(自身を除く): 49785072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 181, 191, 204, 272, 362, 382, 408, 543, 573, 724, 764, 816, 1086, 1146, 1448, 1528, 2172, 2292, 2896, 3056, 3077, 3247, 4344, 4584, 6154, 6494, 8688, 9168, 9231, 9741, 12308, 12988, 18462, 19482, 24616, 25976, 34571, 36924, 38964, 49232, 51952, 69142, 73848, 77928, 103713, 138284, 147696, 155856, 207426, 276568, 414852, 553136, 587707, 829704, 1175414, 1659408, 1763121, 2350828, 3526242, 4701656, 7052484, 9403312, 14104968, 28209936]

約数ペア:

[(1, 28209936), (2, 14104968), (3, 9403312), (4, 7052484), (6, 4701656), (8, 3526242), (12, 2350828), (16, 1763121), (17, 1659408), (24, 1175414), (34, 829704), (48, 587707), (51, 553136), (68, 414852), (102, 276568), (136, 207426), (181, 155856), (191, 147696), (204, 138284), (272, 103713), (362, 77928), (382, 73848), (408, 69142), (543, 51952), (573, 49232), (724, 38964), (764, 36924), (816, 34571), (1086, 25976), (1146, 24616), (1448, 19482), (1528, 18462), (2172, 12988), (2292, 12308), (2896, 9741), (3056, 9231), (3077, 9168), (3247, 8688), (4344, 6494), (4584, 6154)]