28991856

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 77995008

約数和(自身を除く): 49003152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 71, 94, 141, 142, 181, 188, 213, 282, 284, 362, 376, 426, 543, 564, 568, 724, 752, 852, 1086, 1128, 1136, 1448, 1704, 2172, 2256, 2896, 3337, 3408, 4344, 6674, 8507, 8688, 10011, 12851, 13348, 17014, 20022, 25521, 25702, 26696, 34028, 38553, 40044, 51042, 51404, 53392, 68056, 77106, 80088, 102084, 102808, 136112, 154212, 160176, 204168, 205616, 308424, 408336, 603997, 616848, 1207994, 1811991, 2415988, 3623982, 4831976, 7247964, 9663952, 14495928, 28991856]

約数ペア:

[(1, 28991856), (2, 14495928), (3, 9663952), (4, 7247964), (6, 4831976), (8, 3623982), (12, 2415988), (16, 1811991), (24, 1207994), (47, 616848), (48, 603997), (71, 408336), (94, 308424), (141, 205616), (142, 204168), (181, 160176), (188, 154212), (213, 136112), (282, 102808), (284, 102084), (362, 80088), (376, 77106), (426, 68056), (543, 53392), (564, 51404), (568, 51042), (724, 40044), (752, 38553), (852, 34028), (1086, 26696), (1128, 25702), (1136, 25521), (1448, 20022), (1704, 17014), (2172, 13348), (2256, 12851), (2896, 10011), (3337, 8688), (3408, 8507), (4344, 6674)]