81812448

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4001}}^1$

素因数の和:4088

約数の個数: 72

約数和(自身を含む): 235989936

約数和(自身を除く): 154177488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 4001, 5112, 6816, 8002, 10224, 12003, 16004, 20448, 24006, 32008, 36009, 48012, 64016, 72018, 96024, 128032, 144036, 192048, 284071, 288072, 384096, 568142, 576144, 852213, 1136284, 1152288, 1704426, 2272568, 2556639, 3408852, 4545136, 5113278, 6817704, 9090272, 10226556, 13635408, 20453112, 27270816, 40906224, 81812448]

約数ペア:

[(1, 81812448), (2, 40906224), (3, 27270816), (4, 20453112), (6, 13635408), (8, 10226556), (9, 9090272), (12, 6817704), (16, 5113278), (18, 4545136), (24, 3408852), (32, 2556639), (36, 2272568), (48, 1704426), (71, 1152288), (72, 1136284), (96, 852213), (142, 576144), (144, 568142), (213, 384096), (284, 288072), (288, 284071), (426, 192048), (568, 144036), (639, 128032), (852, 96024), (1136, 72018), (1278, 64016), (1704, 48012), (2272, 36009), (2556, 32008), (3408, 24006), (4001, 20448), (5112, 16004), (6816, 12003), (8002, 10224)]